Scala analysis: 310_C24

Chromatic tetrachord 20/19 * 38/35 * 7/6, Ptolemy

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         20/19             88.800698 small undevicesimal semitone
  2:          8/7             231.174094 septimal whole tone
  3:          4/3             498.044999 perfect fourth
SHOW/INTERVAL
  0:          7/6             266.8709 septimal minor third
  1:         20/19             88.8007 small undevicesimal semitone
  2:         38/35            142.3734 
  3:          7/6             266.8709 septimal minor third
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 20/19               88.801 cents   small undevicesimal semitone
  1:   1 38/35               142.373 cents  
  1:   1 7/6                 266.871 cents  septimal minor third
  2:   1 8/7                 231.174 cents  septimal whole tone
  2:   1 70/57               355.672 cents  
  2:   1 19/15               409.244 cents  undevicesimal ditone
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  : 88.8  231.2 498.0
 88.8 : 142.4 409.2 498.0
 231.2: 266.9 355.7 498.0
 498.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  88.8007   .. 266.8709 cents      133/120, 178.0702 cents            20/19, 88.8007 cents
  2:  231.1741  .. 409.2443 cents      133/120, 178.0702 cents            48/49,-35.6968 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 20/19, 88.8007 cents, class 1
Average step (divided formal octave): 166.0150 cents
Largest one step interval           : 7/6, 266.8709 cents
Average / Smallest step             : 1.869524
Largest / Average step              : 1.607511
Largest / Smallest step             : 3.005279
Median interval of one step         : 38/35, 142.3734 cents, amount: 1
Least squares average step          : 146.09171 cents, oct.:  438.27512 cents
Scale is not proper
Scale has trivalence property
Scale is a mode of a 1088-tone equal temperament with octave  4/3
  degrees: 194 505 1088
Least number of segments generator  : 545 of 249.480 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 641 of 293.425 cents and inv.
  generated superset size: 138 = 135 more = 4600.000%
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                     : 1.129828
Lumma stability                     : 0.356597
Lumma impropriety factor            : 0.071674
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        : 49/48, 35.6968 cents
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
Best minor thirds form a closed circle
Steps are strictly increasing
Length of longest harmonic part     : 1 at degree 0
Length of longest subharmonic part  : 1 at degree 0
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                         : 19
Odd number limit                    : 57 (O: 35 U: 57)
Highest odd numerator or denominator: 19
Scale harmonicity                   : 0.017712
Average absolute harmonicity        : 0.104360
Specific harmonicity                : 0.094466
Fundamental                         : 1/399, -8.6402 octaves, 0.6557 Hz.
Guide tone                          : 40,  5.3219 octaves, 10465.023 Hz.
Exponens Consonantiae               : 1.596000E+04, 13.96217 octaves
Euler's gradus suavitatis           : 34
Sum of Mann's harmonic distance     : 30.5, average 10.16667
Mersenne's string divisions         : 1365
Sum of van Prooijen's expressibility: 2.60097, average 0.86699
Sum of Tenney's harmonic distance   : 5.40715, average 1.80238
Vogel's harmonic complexity         : 23.33333
Wille's k value                     : 66
Wilson's harmonic complexity        : 34
Rectangular lattice diameter        : 4
Triangular lattice diameter         : 2
Lattice compactness                 : 13.31194, average 2.21866
Lattice compactness (without 2's)   : 8.29253, average 1.38209
Number of different primes          : 5
Prime exponents' range, average, count, tones@limit:
  2:   2 .. 3         2.33333   7
  3:  -1 .. 0        -0.33333   1     1
  5:   0 .. 1         0.33333   1
  7:  -1 .. 0        -0.33333   1     1
 19:  -1 .. 0        -0.33333   1     1
Average exponent except 2's         :-2 / 3 =-0.66667
Average absolute exponent except 2's: 4 / 3 = 1.33333
Scale is weakly epimorphic with val: <6 10 19 20 28|
Scale is weakly epimorphic with val: <6 11 19 19 28|
Scale is weakly epimorphic with val: <6 11 19 22 28|
Scale is weakly epimorphic with val: <7 10 15 18 30|
Scale is weakly epimorphic with val: <7 10 15 18 33|
Scale is weakly epimorphic with val: <7 10 16 18 28|
Scale is weakly epimorphic with val: <7 10 16 18 31|
Scale is weakly epimorphic with val: <7 10 16 18 34|
Scale is weakly epimorphic with val: <7 10 17 18 29|
Scale is weakly epimorphic with val: <7 10 17 18 32|
Scale is weakly epimorphic with val: <7 10 17 19 28|
Scale is weakly epimorphic with val: <7 10 17 22 28|
Scale is weakly epimorphic with val: <7 10 18 18 30|
Scale is weakly epimorphic with val: <7 10 18 18 33|
Scale is weakly epimorphic with val: <7 10 18 19 29|
Scale is weakly epimorphic with val: <7 10 18 22 29|
Scale is weakly epimorphic with val: <7 10 19 19 30|
Scale is weakly epimorphic with val: <7 10 19 22 30|
Scale is JI-epimorphic with val: <7 11 15 19 28|
Scale is weakly epimorphic with val: <7 11 15 19 31|
Scale is weakly epimorphic with val: <7 11 15 19 34|
Scale is weakly epimorphic with val: <7 11 15 20 30|
Scale is weakly epimorphic with val: <7 11 15 20 33|
Scale is weakly epimorphic with val: <7 11 15 22 28|
Scale is weakly epimorphic with val: <7 11 15 22 31|
Scale is weakly epimorphic with val: <7 11 15 22 34|
Scale is JI-epimorphic with val: <7 11 16 19 29|
Scale is weakly epimorphic with val: <7 11 16 19 32|
Scale is weakly epimorphic with val: <7 11 16 20 28|
Scale is weakly epimorphic with val: <7 11 16 20 31|
Scale is weakly epimorphic with val: <7 11 16 20 34|
Scale is weakly epimorphic with val: <7 11 16 22 29|
Scale is weakly epimorphic with val: <7 11 16 22 32|
Scale is JI-epimorphic with val: <7 11 17 19 30|
Scale is weakly epimorphic with val: <7 11 17 19 33|
Scale is weakly epimorphic with val: <7 11 17 20 29|
Scale is weakly epimorphic with val: <7 11 17 20 32|
Scale is weakly epimorphic with val: <7 11 17 22 30|
Scale is weakly epimorphic with val: <7 11 17 22 33|
Scale is weakly epimorphic with val: <7 11 18 19 28|
Scale is JI-epimorphic with val: <7 11 18 19 31|
Scale is weakly epimorphic with val: <7 11 18 19 34|
Scale is weakly epimorphic with val: <7 11 18 20 30|
Scale is weakly epimorphic with val: <7 11 18 20 33|
Scale is weakly epimorphic with val: <7 11 18 22 28|
Scale is weakly epimorphic with val: <7 11 18 22 31|
Scale is weakly epimorphic with val: <7 11 18 22 34|
Scale is weakly epimorphic with val: <7 11 19 19 29|
Scale is JI-epimorphic with val: <7 11 19 19 32|
Scale is weakly epimorphic with val: <7 11 19 20 28|
Scale is weakly epimorphic with val: <7 11 19 20 31|
Scale is weakly epimorphic with val: <7 11 19 20 34|
Scale is weakly epimorphic with val: <7 11 19 22 29|
Scale is weakly epimorphic with val: <7 11 19 22 32|
Scale is weakly epimorphic with val: <7 12 15 18 28|
Scale is weakly epimorphic with val: <7 12 15 18 31|
Scale is weakly epimorphic with val: <7 12 15 18 34|
Scale is weakly epimorphic with val: <7 12 16 18 29|
Scale is weakly epimorphic with val: <7 12 16 18 32|
Scale is weakly epimorphic with val: <7 12 17 18 30|
Scale is weakly epimorphic with val: <7 12 17 18 33|
Scale is weakly epimorphic with val: <7 12 17 20 28|
Scale is weakly epimorphic with val: <7 12 18 18 28|
Scale is weakly epimorphic with val: <7 12 18 18 31|
Scale is weakly epimorphic with val: <7 12 18 18 34|
Scale is weakly epimorphic with val: <7 12 18 20 29|
Scale is weakly epimorphic with val: <7 12 19 20 30|
Scale is weakly epimorphic with val: <8 11 15 20 28|
Scale is weakly epimorphic with val: <8 11 15 21 30|
Scale is weakly epimorphic with val: <8 11 15 21 33|
Scale is weakly epimorphic with val: <8 11 16 20 29|
Scale is weakly epimorphic with val: <8 11 16 21 28|
Scale is weakly epimorphic with val: <8 11 16 21 31|
Scale is weakly epimorphic with val: <8 11 16 21 34|
Scale is weakly epimorphic with val: <8 11 17 20 30|
Scale is weakly epimorphic with val: <8 11 17 21 29|
Scale is weakly epimorphic with val: <8 11 17 21 32|
Scale is weakly epimorphic with val: <8 11 18 20 31|
Scale is weakly epimorphic with val: <8 11 18 21 30|
Scale is weakly epimorphic with val: <8 11 18 21 33|
Scale is weakly epimorphic with val: <8 11 19 20 32|
Scale is weakly epimorphic with val: <8 11 19 21 28|
Scale is weakly epimorphic with val: <8 11 19 21 31|
Scale is weakly epimorphic with val: <8 11 19 21 34|
Scale is weakly epimorphic with val: <8 12 15 19 28|
Scale is weakly epimorphic with val: <8 12 15 21 29|
Scale is weakly epimorphic with val: <8 12 15 21 32|
Scale is weakly epimorphic with val: <8 12 15 22 28|
Scale is weakly epimorphic with val: <8 12 16 19 29|
Scale is weakly epimorphic with val: <8 12 16 21 30|
Scale is weakly epimorphic with val: <8 12 16 21 33|
Scale is weakly epimorphic with val: <8 12 16 22 29|
Scale is weakly epimorphic with val: <8 12 17 19 30|
Scale is weakly epimorphic with val: <8 12 17 21 28|
Scale is weakly epimorphic with val: <8 12 17 21 31|
Scale is weakly epimorphic with val: <8 12 17 21 34|
Scale is weakly epimorphic with val: <8 12 17 22 30|
Scale is weakly epimorphic with val: <8 12 18 19 31|
Scale is weakly epimorphic with val: <8 12 18 21 29|
Scale is weakly epimorphic with val: <8 12 18 21 32|
Scale is weakly epimorphic with val: <8 12 18 22 31|
Scale is weakly epimorphic with val: <8 12 19 19 32|
Scale is weakly epimorphic with val: <8 12 19 21 30|
Scale is weakly epimorphic with val: <8 12 19 21 33|
Scale is weakly epimorphic with val: <8 12 19 22 32|
FIT/MODE
  3:  0 1 2   N G T3   SD: 63.5905 c. M: 88.8007 c. 
  4:  1 1 2   P M ME S SD: 23.0493 c. M:-35.7106 c. 
  5:  1 1 3   N M DE S SD: 19.4766 c. M: 31.9561 c. 
  6:  1 2 3   P   T3   SD: 10.8340 c. M:-17.8484 c. 
  7:  1 2 4   N   T3   SD: 14.4429 c. M: 17.7262 c. 
  9:  2 2 5   N M DE S SD: 13.8444 c. M:-21.8760 c. 
 10:  2 3 5   P   T3   SD: 12.0469 c. M:-17.8484 c. 
 11:  2 3 6   N   T3   SD: 2.9449 c. M: 4.7900 c. 
 17:  3 5 9   N   T3   SD: 1.9208 c. M:-3.2000 c. 
 28:  5 8 15   N   T3   SD: 0.0860 c. M:-0.1359 c. 
 528: 94 151 283   N   T3   SD: 0.0881 c. M: 0.1336 c. 
 556: 99 159 298   N   T3   SD: 0.0793 c. M: 0.1200 c. 
 584: 104 167 313   N   T3   SD: 0.0714 c. M: 0.1078 c. 
 612: 109 175 328   N   T3   SD: 0.0642 c. M: 0.0966 c. 
 640: 114 183 343   N   T3   SD: 0.0577 c. M: 0.0864 c. 
 668: 119 191 358   N   T3   SD: 0.0517 c. M: 0.0771 c. 
 696: 124 199 373   N   T3   SD: 0.0462 c. M: 0.0685 c. 
 724: 129 207 388   N   T3   SD: 0.0411 c. M: 0.0606 c. 
 752: 134 215 403   N   T3   SD: 0.0364 c. M: 0.0533 c. 
 780: 139 223 418   N   T3   SD: 0.0320 c. M: 0.0465 c. 
 808: 144 231 433   N   T3   SD: 0.0280 c. M: 0.0402 c. 
 836: 149 239 448   N   T3   SD: 0.0242 c. M: 0.0343 c. 
 864: 154 247 463   N   T3   SD: 0.0207 c. M: 0.0288 c. 
 892: 159 255 478   N   T3   SD: 0.0174 c. M: 0.0236 c. 
 920: 164 263 493   N   T3   SD: 0.0143 c. M: 0.0188 c. 
 948: 169 271 508   N   T3   SD: 0.0115 c. M: 0.0142 c. 
 976: 174 279 523   N   T3   SD: 0.0089 c. M: 0.0118 c. 
 1004: 179 287 538   N   T3   SD: 0.0066 c. M: 0.0098 c. 
 1032: 184 295 553   N   T3   SD: 0.0047 c. M: 0.0079 c. 
 1060: 189 303 568   N   T3   SD: 0.0036 c. M: 0.0060 c. 
 1088: 194 311 583   N   T3   SD: 0.0039 c. M:-0.0051 c. 
 2092: 373 598 1121   N   T3   SD: 0.0040 c. M: 0.0069 c. 
 2148: 383 614 1151   N   T3   SD: 0.0036 c. M: 0.0052 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: 59.7273 cents
 6 x 7:8  S SD: 17.8484 cents
 7 x 8:9  S SD: 31.4805 cents
 8 x 9:11    SD: 29.9221 cents
 9 x 10:12  S SD: 24.3852 cents
 10 x 11:13    SD: 39.6850 cents
 11:12:13:15    SD: 31.1011 cents
 12:13:14:16  S SD: 20.4165 cents
 13:14:15:17    SD: 18.1495 cents
 14:15:16:19    SD: 14.4448 cents
 15:16:17:20    SD: 9.0412 cents
 20:21:23:27    SD: 8.1490 cents
 21:22:24:28  S SD: 2.7546 cents
 36:38:41:48    SD: 2.5674 cents
 57:60:65:76    SD: 1.2669 cents
 78:82:89:104    SD: 1.1852 cents
 111:117:127:148    SD: 1.0145 cents
 132:139:151:176    SD: 0.5883 cents
 153:161:175:204    SD: 0.5076 cents
 189:199:216:252    SD: 0.1526 cents
 210:221:240:280    SD: 0.1374 cents
 399:420:456:532    SD: 0.0000 cents