Scala analysis: 569_M77

Miscellaneous tetrachord 8/7 * 81/80 * 280/243

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:          8/7             231.174094 septimal whole tone
  2:         81/70            252.680383 Al-Hwarizmi's lute middle finger
  3:          4/3             498.044999 perfect fourth
SHOW/INTERVAL
  0:        280/243           245.3646 
  1:          8/7             231.1741 septimal whole tone
  2:         81/80             21.5063 syntonic comma, Didymus comma
  3:        280/243           245.3646 
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 81/80               21.506 cents   syntonic comma, Didymus comma
  1:   1 8/7                 231.174 cents  septimal whole tone
  1:   1 280/243             245.365 cents  
  2:   1 81/70               252.680 cents  Al-Hwarizmi's lute middle finger
  2:   1 7/6                 266.871 cents  septimal minor third
  2:   1 320/243             476.539 cents  grave fourth
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  : 231.2 252.7 498.0
 231.2: 21.5  266.9 498.0
 252.7: 245.4 476.5 498.0
 498.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  21.5063   .. 245.3646 cents      22400/19683, 223.8583 cents        81/80, 21.5063 cents
  2:  252.6804  .. 476.5387 cents      22400/19683, 223.8583 cents        19683/19600, 7.3158 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 81/80, 21.5063 cents, class 1
Average step (divided formal octave): 166.0150 cents
Largest one step interval           : 280/243, 245.3646 cents
Average / Smallest step             : 7.719370
Largest / Average step              : 1.477967
Largest / Smallest step             : 11.408970
Median interval of one step         : 8/7, 231.1741 cents, amount: 1
Least squares average step          : 159.33356 cents, oct.:  478.00068 cents
Scale is strictly proper
Scale has trivalence property
Scale is a mode of a 1088-tone equal temperament with octave  4/3
  degrees: 505 552 1088
Least number of segments generator  : 545 of 249.480 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 883 of 404.204 cents and inv.
  generated superset size: 30 = 27 more = 1000.000%
Number of contiguous 1-step segments: 0
Step pattern alph. order: ABC
Step pattern size order : MSL
Scale is sum-free (all different intervals)
Scale is a Constant Structure, by a margin of 7.31577 cents
Scale diversity                     : 0.389763
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.101052
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        : 19683/19600, 7.3158 cents
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
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                         : 7
Odd number limit                    : 243 (O: 81 U: 243)
Highest odd numerator or denominator: 81
Scale harmonicity                   : 0.029395
Average absolute harmonicity        : 0.108275
Specific harmonicity                : 0.139930
Fundamental                         : 1/210, -7.7142 octaves, 1.2458 Hz.
Guide tone                          : 648,  9.3399 octaves, 169533.366 Hz.
Exponens Consonantiae               : 1.360800E+05, 17.05410 octaves
Euler's gradus suavitatis           : 25
Sum of Mann's harmonic distance     : 86.5, average 28.83333
Mersenne's string divisions         : 15855
Sum of van Prooijen's expressibility: 3.23070, average 1.07690
Sum of Tenney's harmonic distance   : 6.58095, average 2.19365
Vogel's harmonic complexity         : 14.00000
Wille's k value                     : 121
Wilson's harmonic complexity        : 27
Rectangular lattice diameter        : 7
Triangular lattice diameter         : 5
Lattice compactness                 : 23.23386, average 3.87231
Lattice compactness (without 2's)   : 16.97611, average 2.82935
Number of different primes          : 4
Prime exponents' range, average, count, tones@limit:
  2:  -1 .. 3         1.33333   6
  3:  -1 .. 4         1.00000   5     1
  5:  -1 .. 0        -0.33333   1
  7:  -1 .. 0        -0.66667   2     2
Average exponent except 2's         : 0 / 3 = 0.00000
Average absolute exponent except 2's: 8 / 3 = 2.66667
Scale is weakly epimorphic with val: <6 11 16 19|
Scale is weakly epimorphic with val: <7 10 16 18|
Scale is JI-epimorphic with val: <7 11 15 20|
Scale is weakly epimorphic with val: <7 11 17 19|
Scale is weakly epimorphic with val: <7 11 17 22|
Scale is weakly epimorphic with val: <7 11 18 20|
Scale is weakly epimorphic with val: <7 12 16 18|
Scale is weakly epimorphic with val: <7 12 18 20|
Scale is weakly epimorphic with val: <8 11 17 21|
Scale is weakly epimorphic with val: <8 12 15 22|
Scale is weakly epimorphic with val: <8 12 17 21|
Scale is weakly epimorphic with val: <8 12 18 19|
FIT/MODE
  3:  1 0 2   N G T3   SD: 62.6008 c. M: 86.6654 c. 
  4:  2 0 2   P M DE I SD: 10.5190 c. M:-17.8484 c. 
 10:  5 0 5   P M DE I SD: 10.5190 c. M:-17.8484 c. 
 13:  6 1 6  SP M DE I SD: 8.9794 c. M:-15.4977 c. 
 15:  7 1 7  SP M DE I SD: 7.5076 c. M:-12.9436 c. 
 16:  7 1 8   P   T3   SD: 7.9524 c. M: 13.2794 c. 
 17:  8 1 8  SP M DE I SD: 6.6089 c. M:-10.9905 c. 
 18:  8 1 9   P   T3   SD: 6.0505 c. M: 9.8208 c. 
 19:  9 1 9  SP M DE I SD: 6.1036 c. M:-9.4486 c. 
 20:  9 1 10   P   T3   SD: 4.5875 c. M: 7.0538 c. 
 22:  10 1 11   P   T3   SD: 3.4797 c. M: 4.7900 c. 
 24:  11 1 12   P   T3   SD: 2.6963 c. M: 3.6579 c. 
 26:  12 1 13   P   T3   SD: 2.2427 c. M: 3.6579 c. 
 28:  13 1 14   P   T3   SD: 2.1122 c. M: 3.6579 c. 
 35:  16 2 17  SP   T3   SD: 2.8388 c. M: 3.4964 c. 
 37:  17 2 18  SP   T3   SD: 2.2307 c. M:-3.0725 c. 
 39:  18 2 19  SP   T3   SD: 1.7461 c. M:-2.7273 c. 
 41:  19 2 20  SP   T3   SD: 1.4113 c. M:-2.4158 c. 
 43:  20 2 21  SP   T3   SD: 1.2618 c. M:-2.1333 c. 
 45:  21 2 22  SP   T3   SD: 1.3005 c. M:-1.8759 c. 
 63:  29 3 31  SP   T3   SD: 1.1188 c. M: 1.9153 c. 
 65:  30 3 32  SP   T3   SD: 0.7613 c. M: 1.3072 c. 
 67:  31 3 33  SP   T3   SD: 0.4259 c. M: 0.7354 c. 
 69:  32 3 34  SP   T3   SD: 0.1170 c. M: 0.1967 c. 
 140: 65 6 69  SP   T3   SD: 0.0679 c. M: 0.1004 c. 
 209: 97 9 103  SP   T3   SD: 0.0501 c. M: 0.0834 c. 
 278: 129 12 137  SP   T3   SD: 0.0579 c. M: 0.0748 c. 
 349: 162 15 172  SP   T3   SD: 0.0524 c. M: 0.0902 c. 
 487: 226 21 240  SP   T3   SD: 0.0533 c. M: 0.0785 c. 
 558: 259 24 275  SP   T3   SD: 0.0506 c. M: 0.0877 c. 
 601: 279 26 296  SP   T3   SD: 0.0450 c. M:-0.0712 c. 
 668: 310 29 329  SP   T3   SD: 0.0482 c. M:-0.0700 c. 
 670: 311 29 330  SP   T3   SD: 0.0343 c. M:-0.0589 c. 
 739: 343 32 364  SP   T3   SD: 0.0289 c. M:-0.0488 c. 
 741: 344 32 365  SP   T3   SD: 0.0310 c. M:-0.0388 c. 
 808: 375 35 398  SP   T3   SD: 0.0281 c. M:-0.0405 c. 
 810: 376 35 399  SP   T3   SD: 0.0206 c. M:-0.0313 c. 
 879: 408 38 433  SP   T3   SD: 0.0145 c. M:-0.0250 c. 
 948: 440 41 467  SP   T3   SD: 0.0139 c. M:-0.0197 c. 
 950: 441 41 468  SP   T3   SD: 0.0153 c. M:-0.0236 c. 
 1019: 473 44 502  SP   T3   SD: 0.0068 c. M:-0.0087 c. 
 1088: 505 47 536  SP   T3   SD: 0.0035 c. M: 0.0043 c. 
 2107: 978 91 1038  SP   T3   SD: 0.0036 c. M:-0.0060 c. 
 2247: 1043 97 1107  SP   T3   SD: 0.0033 c. M:-0.0057 c. 
 2316: 1075 100 1141  SP   T3   SD: 0.0012 c. M: 0.0021 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: 52.6754 cents
 6 x 7:8  S SD: 7.0953 cents
 7:8 x 9  S SD: 31.4805 cents
 8:9 x 11    SD: 29.9221 cents
 9:10 x 12  S SD: 24.3852 cents
 11 x 13:15    SD: 26.6836 cents
 12 x 14:16  S SD: 7.0953 cents
 13 x 15:17    SD: 16.9891 cents
 14:16 x 19    SD: 15.3211 cents
 15:17 x 20    SD: 7.2437 cents
 18 x 21:24  S SD: 7.0953 cents
 19 x 22:25    SD: 11.4791 cents
 20 x 23:27    SD: 12.0149 cents
 21:24 x 28  S SD: 0.0000 cents
 22:25 x 29    SD: 11.0543 cents
 24:27:28:32  S SD: 10.2453 cents
 25 x 29:33    SD: 8.9578 cents
 26 x 30:35    SD: 8.6438 cents
 27:31 x 36    SD: 3.9982 cents
 28:32 x 37    SD: 7.7634 cents
 30:34:35:40    SD: 6.7598 cents
 32 x 37:43    SD: 6.7694 cents
 33 x 38:44    SD: 4.2202 cents
 34:39 x 45    SD: 7.1345 cents
 36:41:42:48    SD: 5.1384 cents
 39 x 45:52    SD: 2.4697 cents
 40 x 46:53    SD: 7.6277 cents
 41:47 x 55    SD: 5.8850 cents
 42:48:49:56  S SD: 4.7302 cents
 43:49:50:57    SD: 4.6947 cents
 46 x 53:61    SD: 6.0107 cents
 47:54 x 63    SD: 6.4943 cents
 48:55:56:64    SD: 4.9626 cents
 49:56:57:65    SD: 4.2411 cents
 50:57:58:67    SD: 3.5208 cents
 51:58:59:68    SD: 2.8392 cents
 53 x 61:71    SD: 6.1819 cents
 54:62 x 72    SD: 3.9982 cents
 56:64:65:75    SD: 3.1257 cents
 57:65:66:76    SD: 1.3212 cents
 60 x 69:80    SD: 5.3599 cents
 61:70:71:81    SD: 4.7531 cents
 62:71:72:83    SD: 3.3176 cents
 63:72:73:84    SD: 0.7911 cents
 141:161:163:188    SD: 0.7558 cents
 147:168:170:196    SD: 0.3394 cents
 210:240:243:280    SD: 0.0000 cents