Scala analysis: 396_D6
Diatonic tetrachord 77/72 * 12/11 * 8/7, Avicenna
Generated by Scala: https://www.huygens-fokker.org/scala/
SHOW
0: 1/1 0.000000 unison, perfect prime 1: 77/72 116.233847 undecimal secor 2: 7/6 266.870906 septimal minor third 3: 4/3 498.044999 perfect fourth
SHOW/INTERVAL
0: 8/7 231.1741 septimal whole tone 1: 77/72 116.2338 undecimal secor 2: 12/11 150.6371 undecimal neutral second, 3/4-tone 3: 8/7 231.1741 septimal whole tone
SHOW INTERVALS
Interval class, Number of incidences, Size: 1: 1 77/72 116.234 cents undecimal secor 1: 1 12/11 150.637 cents undecimal neutral second, 3/4-tone 1: 1 8/7 231.174 cents septimal whole tone 2: 1 7/6 266.871 cents septimal minor third 2: 1 11/9 347.408 cents undecimal neutral third 2: 1 96/77 381.811 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 : 116.2 266.9 498.0 116.2: 150.6 381.8 498.0 266.9: 231.2 347.4 498.0 498.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class: 1: 116.2338 .. 231.1741 cents 576/539, 114.9402 cents 77/72, 116.2338 cents 2: 266.8709 .. 381.8112 cents 576/539, 114.9402 cents 49/48, 35.6968 cents
SHOW DATA
Number of notes : 3 -- Interval properties -- Smallest interval : 77/72, 116.2338 cents, class 1 Average step (divided formal octave): 166.0150 cents Largest one step interval : 8/7, 231.1741 cents Average / Smallest step : 1.428284 Largest / Average step : 1.392489 Largest / Smallest step : 1.988871 Median interval of one step : 12/11, 150.6371 cents, amount: 1 Least squares average step : 153.15076 cents, oct.: 459.45228 cents Scale is strictly proper Scale has trivalence property Scale is a mode of a 1144-tone equal temperament with octave 4/3 degrees: 267 613 1144 Least number of segments generator : 573 of 249.458 cents and inv. number of contiguous generator circle segments: 1 Shortest superset generator : 1011 of 440.143 cents and inv. generated superset size: 48 = 45 more = 1600.000% Number of contiguous 1-step segments: 0 Step pattern alph. order: ABC Step pattern size order : SML Scale is sum-free (all different intervals) Scale is a Constant Structure, by a margin of 35.69681 cents Scale diversity : 1.280046 Rothenberg stability : 1.000000 = 1 Lumma stability : 0.538434 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 : 864/847, 34.4032 cents Number of recognisable fifths : 0 Number of recognisable fourths : 0 Best minor thirds form a closed circle Steps are strictly increasing Formal octave complements present : 1 = 33.3333% 2/1 octave complements present : 0 = 0.0000% Scale is n-1 differentially coherent in interval class 1 -- Rational properties -- Prime limit : 11 Odd number limit : 77 (O: 77 U: 77) Highest odd numerator or denominator: 77 Scale harmonicity : 0.025773 Average absolute harmonicity : 0.104377 Specific harmonicity : 0.125305 Fundamental : 1/72, -6.1699 octaves, 3.6337 Hz. Guide tone : 308, 8.2668 octaves, 80580.674 Hz. Exponens Consonantiae : 2.217600E+04, 14.43671 octaves Euler's gradus suavitatis : 26 Sum of Mann's harmonic distance : 84.5, average 28.16667 Mersenne's string divisions : 13559 Sum of van Prooijen's expressibility: 3.20871, average 1.06957 Sum of Tenney's harmonic distance : 6.44625, average 2.14875 Vogel's harmonic complexity : 12.66667 Wille's k value : 38 Wilson's harmonic complexity : 24 Rectangular lattice diameter : 4 Triangular lattice diameter : 2 Lattice compactness : 18.74437, average 3.12406 Lattice compactness (without 2's) : 9.00997, average 1.50166 Number of different primes : 4 Prime exponents' range, average, count, tones@limit: 2: -3 .. 2 -0.66667 6 3: -2 ..-1 -1.33333 4 1 7: 0 .. 1 0.66667 2 1 11: 0 .. 1 0.33333 1 1 Average exponent except 2's :-1 / 3 =-0.33333 Average absolute exponent except 2's: 7 / 3 = 2.33333 Scale is weakly epimorphic with val: <6 10 19 23| Scale is weakly epimorphic with val: <6 10 19 26| Scale is weakly epimorphic with val: <6 11 19 24| Scale is weakly epimorphic with val: <6 11 20 25| Scale is weakly epimorphic with val: <7 10 19 25| Scale is weakly epimorphic with val: <7 10 20 23| Scale is weakly epimorphic with val: <7 10 20 26| Scale is weakly epimorphic with val: <7 11 19 23| Scale is weakly epimorphic with val: <7 11 19 26| Scale is JI-epimorphic with val: <7 11 20 24| Scale is weakly epimorphic with val: <7 11 20 27| Scale is weakly epimorphic with val: <7 11 22 23| Scale is weakly epimorphic with val: <7 11 22 26| Scale is weakly epimorphic with val: <7 12 22 24| Scale is weakly epimorphic with val: <7 12 22 27| Scale is weakly epimorphic with val: <8 11 22 25|
FIT/MODE
3: 1 1 1 SP B ME I SD: 47.3423 c. M:-65.1591 c. 4: 1 1 2 P M ME S SD: 11.3590 c. M: 17.8484 c. 9: 2 3 4 SP T3 SD: 6.5148 c. M:-9.8208 c. 13: 3 4 6 SP T3 SD: 1.0645 c. M:-1.3072 c. 30: 7 9 14 SP T3 SD: 0.7200 c. M: 1.2469 c. 43: 10 13 20 SP T3 SD: 0.3619 c. M: 0.4747 c. 56: 13 17 26 SP T3 SD: 0.3575 c. M: 0.6163 c. 99: 23 30 46 SP T3 SD: 0.3342 c. M: 0.5264 c. 142: 33 43 66 SP T3 SD: 0.3357 c. M: 0.4910 c. 185: 43 56 86 SP T3 SD: 0.3391 c. M: 0.4720 c. 192: 45 58 89 SP T3 SD: 0.3373 c. M:-0.4954 c. 205: 48 62 95 SP T3 SD: 0.3080 c. M:-0.3816 c. 209: 49 63 97 SP T3 SD: 0.3079 c. M:-0.5327 c. 218: 51 66 101 SP T3 SD: 0.2959 c. M:-0.4285 c. 222: 52 67 103 SP T3 SD: 0.2522 c. M:-0.4253 c. 235: 55 71 109 SP T3 SD: 0.2132 c. M:-0.3299 c. 248: 58 75 115 SP T3 SD: 0.1921 c. M:-0.2444 c. 261: 61 79 121 SP T3 SD: 0.1882 c. M:-0.2797 c. 265: 62 80 123 SP T3 SD: 0.1674 c. M:-0.2899 c. 278: 65 84 129 SP T3 SD: 0.1303 c. M:-0.2155 c. 291: 68 88 135 SP T3 SD: 0.1108 c. M:-0.1478 c. 321: 75 97 149 SP T3 SD: 0.0762 c. M:-0.1318 c. 334: 78 101 155 SP T3 SD: 0.0512 c. M:-0.0761 c. 364: 85 110 169 SP T3 SD: 0.0527 c. M:-0.0679 c. 377: 88 114 175 SP T3 SD: 0.0144 c. M:-0.0207 c. 767: 179 232 356 SP T3 SD: 0.0050 c. M:-0.0085 c. 1144: 267 346 531 SP T3 SD: 0.0033 c. M:-0.0057 c. 1911: 446 578 887 SP T3 SD: 0.0028 c. M:-0.0041 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 x 5 S SD: 111.7313 cents 5 x 6:7 S SD: 48.7680 cents 6 x 7:8 S SD: 0.0000 cents 7 x 8:9 S SD: 36.1882 cents 8 x 9:11 SD: 41.2374 cents 9:10:11:12 H SD: 34.7446 cents 10:11:12:13 H SD: 27.2402 cents 11:12:13:15 SD: 18.8452 cents 12:13:14:16 S SD: 7.4463 cents 29:31:34:39 SD: 5.7136 cents 30:32:35:40 SD: 1.5009 cents 42:45:49:56 SD: 1.0697 cents 72:77:84:96 SD: 0.0000 cents