Scala analysis: 469_D15

Diatonic tetrachord 121/108 * 9/8 * 128/121, Partch

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:        121/108           196.770882
  2:        121/96            400.680884
  3:          4/3             498.044999 perfect fourth
SHOW/INTERVAL
  0:        128/121            97.3641 undecimal semitone
  1:        121/108           196.7709 
  2:          9/8             203.9100 major whole tone
  3:        128/121            97.3641 undecimal semitone
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 128/121             97.364 cents   undecimal semitone
  1:   1 121/108             196.771 cents  
  1:   1 9/8                 203.910 cents  major whole tone
  2:   1 32/27               294.135 cents  Pythagorean minor third
  2:   1 144/121             301.274 cents  two (undecimal neutral second, 3/4-tone)
  2:   1 121/96              400.681 cents  
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    
 0.0  : 196.8 400.7 498.0
 196.8: 203.9 301.3 498.0
 400.7: 97.4  294.1 498.0
 498.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  97.3641   .. 203.9100 cents      1089/1024, 106.5459 cents          128/121, 97.3641 cents
  2:  294.1350  .. 400.6809 cents      1089/1024, 106.5459 cents          256/243, 90.2250 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 128/121, 97.3641 cents, class 1
Average step (divided formal octave): 166.0150 cents
Largest one step interval           : 9/8, 203.9100 cents
Average / Smallest step             : 1.705094
Largest / Average step              : 1.228263
Largest / Smallest step             : 2.094303
Median interval of one step         : 121/108, 196.7709 cents, amount: 1
Least squares average step          : 178.01912 cents, oct.:  534.05735 cents
Scale is strictly proper
Scale has trivalence property
Scale is a mode of a 977-tone equal temperament with octave  4/3
  degrees: 386 786 977
Least number of segments generator  : 489 of 249.277 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 782 of 398.640 cents and inv.
  generated superset size: 24 = 21 more = 800.000%
Number of contiguous 1-step segments: 0
Step pattern alph. order: ABC
Step pattern size order : MLS
Scale is sum-free (all different intervals)
Scale is a Constant Structure, by a margin of 90.22500 cents
Scale diversity                     : 1.087420
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.572144
Rothenberg efficiency               : 0.666667   redundancy: 0.333333
Efficiency x scale size             : 2.000000
Number of different interval sizes  : 6 = 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        : 243/242, 7.1391 cents
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
Best major thirds form a closed circle
Best minor thirds form a closed circle
Formal octave complements present   : 1 = 33.3333%
2/1 octave complements present      : 0 = 0.0000%
Limited inverse transpositions with margin 106.5459 cents:
 2
-- Rational properties --
Prime limit                         : 11
Odd number limit                    : 121 (O: 121 U: 121)
Highest odd numerator or denominator: 121
Scale harmonicity                   : 0.019469
Average absolute harmonicity        : 0.086188
Specific harmonicity                : 0.083136
Fundamental                         : 1/864, -9.7549 octaves, 0.3028 Hz.
Guide tone                          : 484,  8.9189 octaves, 126626.774 Hz.
Exponens Consonantiae               : 4.181760E+05, 18.67375 octaves
Euler's gradus suavitatis           : 34
Sum of Mann's harmonic distance     : 226.5, average 75.50000
Mersenne's string divisions         : 49693
Sum of van Prooijen's expressibility: 4.64269, average 1.54756
Sum of Tenney's harmonic distance   : 9.26045, average 3.08682
Vogel's harmonic complexity         : 22.00000
Wille's k value                     : 544
Wilson's harmonic complexity        : 31
Rectangular lattice diameter        : 5
Triangular lattice diameter         : 2
Lattice compactness                 : 27.62104, average 4.60351
Lattice compactness (without 2's)   : 13.67005, average 2.27834
Number of different primes          : 3
Prime exponents' range, average, count, tones@limit:
  2:  -5 .. 2        -1.66667   9
  3:  -3 ..-1        -1.66667   5     1
 11:   0 .. 2         1.33333   4     2
Average exponent except 2's         :-1 / 3 =-0.33333
Average absolute exponent except 2's: 9 / 3 = 3.00000
Scale is JI-epimorphic with val: <7 11 24|
Scale is weakly epimorphic with val: <7 11 27|
Scale is weakly epimorphic with val: <8 11 26|
FIT/MODE
  3:  1 1 1  SP B ME I SD: 43.4314 c. M: 68.6509 c. 
  5:  2 2 1  SP M ME S SD: 1.9173 c. M:-2.4471 c. 
 36:  14 15 7  SP   T3   SD: 1.8074 c. M: 3.0867 c. 
 41:  16 17 8  SP   T3   SD: 1.3966 c. M: 2.4119 c. 
 46:  18 19 9  SP   T3   SD: 1.0885 c. M: 1.8837 c. 
 51:  20 21 10  SP   T3   SD: 0.8591 c. M: 1.4591 c. 
 56:  22 23 11  SP   T3   SD: 0.6953 c. M: 1.1103 c. 
 61:  24 25 12  SP   T3   SD: 0.5902 c. M: 0.8188 c. 
 66:  26 27 13  SP   T3   SD: 0.5378 c. M: 0.7357 c. 
 71:  28 29 14  SP   T3   SD: 0.5284 c. M: 0.8419 c. 
 127: 50 52 25  SP   T3   SD: 0.5579 c. M: 0.6902 c. 
 129: 51 53 25  SP   T3   SD: 0.4930 c. M:-0.8438 c. 
 134: 53 55 26  SP   T3   SD: 0.4389 c. M:-0.7285 c. 
 139: 55 57 27  SP   T3   SD: 0.3978 c. M:-0.6216 c. 
 144: 57 59 28  SP   T3   SD: 0.3701 c. M:-0.5220 c. 
 149: 59 61 29  SP   T3   SD: 0.3555 c. M:-0.4416 c. 
 154: 61 63 30  SP   T3   SD: 0.3531 c. M:-0.5067 c. 
 185: 73 76 36  SP   T3   SD: 0.2944 c. M:-0.4473 c. 
 190: 75 78 37  SP   T3   SD: 0.2395 c. M:-0.3764 c. 
 195: 77 80 38  SP   T3   SD: 0.1889 c. M:-0.3092 c. 
 200: 79 82 39  SP   T3   SD: 0.1438 c. M:-0.2453 c. 
 205: 81 84 40  SP   T3   SD: 0.1071 c. M:-0.1846 c. 
 210: 83 86 41  SP   T3   SD: 0.0852 c. M:-0.1268 c. 
 271: 107 111 53  SP   T3   SD: 0.0761 c. M: 0.1258 c. 
 276: 109 113 54  SP   T3   SD: 0.0648 c. M: 0.0795 c. 
 476: 188 195 93  SP   T3   SD: 0.0495 c. M: 0.0640 c. 
 481: 190 197 94  SP   T3   SD: 0.0291 c. M: 0.0379 c. 
 486: 192 199 95  SP   T3   SD: 0.0091 c. M: 0.0124 c. 
 977: 386 400 191  SP   T3   SD: 0.0011 c. M: 0.0019 c. 
FIT/HARMONIC
 1 x x 2  S SD: 701.9550 cents
 2 x x 3  S SD: 203.9100 cents
 3 x x 4  S SD: 0.0000 cents
 4 x 5 x  S SD: 14.3672 cents
 5 x 6:7  S SD: 59.9300 cents
 6:7 x 8  S SD: 35.0500 cents
 7:8:9 x  S SD: 24.3267 cents
 8:9:10:11  H SD: 18.5454 cents
 9:10:11:12  H SD: 18.3921 cents
 10:11 x 13    SD: 27.0660 cents
 11:12:14:15  S SD: 20.8836 cents
 12:13:15:16    SD: 19.9818 cents
 14:16:18:19  S SD: 19.1662 cents
 15:17:19:20    SD: 7.2263 cents
 24:27:30:32  S SD: 5.3477 cents
 27:30:34:36    SD: 4.8183 cents
 39:44:49:52    SD: 4.4213 cents
 42:47:53:56    SD: 0.9635 cents
 108:121:136:144    SD: 0.5302 cents
 150:168:189:200    SD: 0.2698 cents
 315:353:397:420    SD: 0.1436 cents
 357:400:450:476    SD: 0.0567 cents
 507:568:639:676    SD: 0.0399 cents