Scala analysis: xen09-chalmers-tritriadic-26-32-39

Tritriadic scale built from 26:32:39

Generated by Scala: https://www.huygens-fokker.org/scala/

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:          9/8             203.910002 major whole tone
  2:         16/13            359.472338 tridecimal neutral third
  3:          4/3             498.044999 perfect fourth
  4:          3/2             701.955001 perfect fifth
  5:         64/39            857.517337 39th subharmonic
  6:         24/13           1061.427339 tridecimal neutral seventh
  7:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:         13/12            138.5727 tridecimal 2/3-tone
  1:          9/8             203.9100 major whole tone
  2:        128/117           155.5623 
  3:         13/12            138.5727 tridecimal 2/3-tone
  4:          9/8             203.9100 major whole tone
  5:        128/117           155.5623 
  6:          9/8             203.9100 major whole tone
  7:         13/12            138.5727 tridecimal 2/3-tone
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   2 13/12               138.573 cents  tridecimal 2/3-tone
  1:   2 128/117             155.562 cents  
  1:   3 9/8                 203.910 cents  major whole tone
  2:   1 32/27               294.135 cents  Pythagorean minor third
  2:   3 39/32               342.483 cents  39th harmonic, Zalzal wosta of Ibn Sina
  2:   3 16/13               359.472 cents  tridecimal neutral third
  3:   5 4/3                 498.045 cents  perfect fourth
  3:   1 351/256             546.393 cents  
  3:   1 18/13               563.382 cents  tridecimal augmented fourth
  4:   1 13/9                636.618 cents  tridecimal diminished fifth
  4:   1 512/351             653.607 cents  
  4:   5 3/2                 701.955 cents  perfect fifth
  5:   3 13/8                840.528 cents  tridecimal neutral sixth
  5:   3 64/39               857.517 cents  39th subharmonic
  5:   1 27/16               905.865 cents  Pythagorean major sixth
  6:   3 16/9                996.090 cents  Pythagorean minor seventh
  6:   2 117/64              1044.438 cents 
  6:   2 24/13               1061.427 cents tridecimal neutral seventh
Highest number of different intervals for one interval class: 3
Average number of different intervals per interval class: 3.00000 = 3
SHOW/LINE/CENTS INTERVALS
         1     2     3     4     5     6      7     
 0.0   : 203.9 359.5 498.0 702.0 857.5 1061.4 1200.0
 203.9 : 155.6 294.1 498.0 653.6 857.5 996.1  1200.0
 359.5 : 138.6 342.5 498.0 702.0 840.5 1044.4 1200.0
 498.0 : 203.9 359.5 563.4 702.0 905.9 1061.4 1200.0
 702.0 : 155.6 359.5 498.0 702.0 857.5 996.1  1200.0
 857.5 : 203.9 342.5 546.4 702.0 840.5 1044.4 1200.0
 1061.4: 138.6 342.5 498.0 636.6 840.5 996.1  1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  138.5727  .. 203.9100 cents      27/26, 65.3373 cents               13/12, 138.5727 cents
  2:  294.1350  .. 359.4723 cents      27/26, 65.3373 cents               256/243, 90.2250 cents
  3:  498.0450  .. 563.3823 cents      27/26, 65.3373 cents               13/12, 138.5727 cents
  4:  636.6177  .. 701.9550 cents      27/26, 65.3373 cents               169/162, 73.2353 cents
  5:  840.5277  .. 905.8650 cents      27/26, 65.3373 cents               13/12, 138.5727 cents
  6:  996.0900  .. 1061.4273 cents     27/26, 65.3373 cents               256/243, 90.2250 cents
SHOW DATA
Number of notes                     : 7
-- Interval properties --
Smallest interval                   : 13/12, 138.5727 cents, class 1
Average step (divided formal octave): 171.4286 cents
Largest one step interval           : 9/8, 203.9100 cents
Average / Smallest step             : 1.237102
Largest / Average step              : 1.189475
Largest / Smallest step             : 1.471502
Median interval of one step         : 128/117, 155.5623 cents, amount: 2
Most common interval of one step    : 9/8, 203.9100 cents, amount: 3
Least squares average step          : 173.43543 cents, oct.:  1214.04802 cents
Scale is strictly proper
Scale has trivalence property
Step pattern alph. order: ABCABAC
Step pattern size order : LMSLMLS
Scale is a Constant Structure, by a margin of 73.23532 cents
Scale diversity                     : 1.302399
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.673313
Rothenberg efficiency               : 0.544218   redundancy: 0.455782
Efficiency x scale size             : 3.809524
Number of different interval sizes  : 18 = 3.00000 / class
Number of one step interval sizes   : 3
Highest interval variety            : 3
Mean interval variety               : 3.00000 = 3
Median interval variety             : 3
Lowest interval variety             : 3
Smallest interval difference        : 512/507, 16.9897 cents
Most common intervals               : 4/3, 498.0450 cents & inv., amount: 5
Scale is a chain of 3 triads 0.0 359.472 701.955 cents
Most common triad is 0.0 498.045 701.955 cents, amount: 3
Number of recognisable fifths       : 5, average 701.9550 cents
Scale is Lydian octave species of abstract tetrachord
Best fifths form a closed circle
Best major thirds form a closed circle
Best minor thirds form a closed circle
Scale contains a complete diamond   : 1 3
Length of longest harmonic part     : 1 at degree 0
Length of longest subharmonic part  : 1 at degree 0
Formal octave complements present   : 3 = 42.8571%
Scale is n-1 differentially coherent in interval classes 2 and 3 combined
Scale is differentially coherent in interval classes 3 and 4 combined
Scale is n-1 differentially coherent in interval class 4
Limited inverse transpositions with margin 65.3373 cents:
 4
-- Rational properties --
Prime limit                         : 13
Odd number limit                    : 351 (O: 351 U: 351)
Highest odd numerator or denominator: 39
Scale harmonicity                   : 0.025540
Average absolute harmonicity        : 0.244805
Specific harmonicity                : 0.122846
Fundamental                         : 1/312, -8.2854 octaves, 0.8385 Hz.
Guide tone                          : 576,  9.1699 octaves, 150696.326 Hz.
Exponens Consonantiae               : 1.797120E+05, 17.45533 octaves
Euler's gradus suavitatis           : 28
Sum of Mann's harmonic distance     : 100.5, average 14.35714
Mersenne's string divisions         : 197276415
Sum of van Prooijen's expressibility: 5.72744, average 0.81821
Sum of Tenney's harmonic distance   : 12.22516, average 1.74645
Vogel's harmonic complexity         : 16.00000
Wille's k value                     : 175
Wilson's harmonic complexity        : 22
Rectangular lattice diameter        : 4
Triangular lattice diameter         : 4
Lattice compactness                 : 108.46081, average 3.87360
Lattice compactness (without 2's)   : 41.76998, average 1.49178
Number of different primes          : 3
Prime exponents' range, average, count, tones@limit:
  2:  -3 .. 6         1.71429   20    1
  3:  -1 .. 2         0.28571   6     3
 13:  -1 .. 0        -0.42857   3     3
Average exponent except 2's         :-1 / 7 =-0.14286
Average absolute exponent except 2's: 9 / 7 = 1.28571
Scale is JI-epimorphic with val: <7 11 26| = patent
Scale is weakly epimorphic with val: <7 12 29|
FIT/MODE
  7:  1 1 1 1 1 1 1  SP B ME I SD: 20.4879 c. M: 32.8559 c.  Lebeng
 10:  2 1 1 2 1 2 1   P M ME S SD: 19.2940 c. M:-36.0900 c.  Sethares Neutral, Beatles-7, Dichotic-7
 16:  3 2 2 2 2 3 2   P   D3 S SD: 21.8011 c. M: 32.5173 c. 
 17:  3 2 2 3 2 3 2  SP M ME S SD: 5.9924 c. M: 10.4585 c.  Beatles-7, Dichotic-7
 24:  4 3 3 4 3 4 3  SP M ME S SD: 6.5438 c. M: 11.4273 c.  Neutral Lydian, Iced Major
 36:  6 5 4 6 5 6 4  SP   T3   SD: 5.1527 c. M:-9.1493 c. 
 41:  7 5 5 7 5 7 5  SP M DE S SD: 5.4275 c. M: 8.7368 c.  Beatles-7, Dichotic-7
 43:  7 6 5 7 6 7 5  SP   T3   SD: 5.0656 c. M: 8.5612 c. 
 46:  8 6 5 8 6 8 5  SP   T3   SD: 4.5485 c. M:-8.1379 c. 
 53:  9 7 6 9 7 9 6  SP   T3   SD: 1.8291 c. M:-2.8600 c. 
 70:  12 9 8 12 9 12 8  SP   T3   SD: 1.0244 c. M:-1.8043 c. 
 77:  13 10 9 13 10 13 9  SP   T3   SD: 0.9735 c. M: 1.6871 c. 
 130: 22 17 15 22 17 22 15  SP   T3   SD: 0.5636 c. M:-0.9442 c. 
 147: 25 19 17 25 19 25 17  SP   T3   SD: 0.2101 c. M: 0.3745 c. 
 277: 47 36 32 47 36 47 32  SP   T3   SD: 0.1718 c. M: 0.2999 c. 
 347: 59 45 40 59 45 59 40  SP   T3   SD: 0.1364 c. M:-0.2441 c. 
 424: 72 55 49 72 55 72 49  SP   T3   SD: 0.0771 c. M: 0.1364 c. 
 571: 97 74 66 97 74 97 66  SP   T3   SD: 0.0739 c. M: 0.1314 c. 
 771: 131 100 89 131 100 131 89  SP   T3   SD: 0.0410 c. M:-0.0702 c. 
 918: 156 119 106 156 119 156 106  SP   T3   SD: 0.0069 c. M:-0.0116 c. 
FIT/HARMONIC
 1 x x x x x x 2  S SD: 0.0000 cents
 2 x x x 3 x x 4  S SD: 0.0000 cents
 3 x x 4 x 5 x 6  S SD: 8.9471 cents
 4 x 5 x 6 x 7:8  S SD: 24.1033 cents
 5 x 6:7 x 8:9:10  S SD: 22.7140 cents
 6:7 x 8:9:10:11:12  S SD: 11.5831 cents
 7:8 x 9 x 11:13:14    SD: 20.4370 cents
 8:9:10:11:12:13:15:16    SD: 9.6548 cents
 14:16:17:19:21:23:26:28    SD: 6.9053 cents
 18:20:22:24:27:30:33:36  S SD: 5.4848 cents
 22:25:27:29:33:36:41:44    SD: 4.5378 cents
 26:29:32:35:39:43:48:52    SD: 3.7165 cents
 30:34:37:40:45:49:55:60    SD: 2.8137 cents
 39:44:48:52:59:64:72:78    SD: 2.2193 cents
 48:54:59:64:72:79:89:96    SD: 1.3321 cents
 64:72:79:85:96:105:118:128    SD: 1.2522 cents
 72:81:89:96:108:118:133:144    SD: 1.1276 cents
 78:88:96:104:117:128:144:156    SD: 0.7036 cents
 126:142:155:168:189:207:233:252    SD: 0.6694 cents
 144:162:177:192:216:236:266:288    SD: 0.4777 cents
 168:189:207:224:252:276:310:336    SD: 0.4090 cents
 200:225:246:267:300:328:369:400    SD: 0.4089 cents
 208:234:256:277:312:341:384:416    SD: 0.3832 cents
 216:243:266:288:324:354:399:432    SD: 0.3805 cents
 234:263:288:312:351:384:432:468    SD: 0.2350 cents
 312:351:384:416:468:512:576:624    SD: 0.0000 cents