Kaguyisma

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Interval information
Ratio 10880/10879
Subgroup monzo 2.5.11.17.23.43 [7 1 -1 1 -1 -1
Size in cents 0.15912809¢
Name kaguyisma
Color name 43u23u17o1uy1
fothutwethusoluyo unison
FJS name [math]\text{m2}^{5,17}_{11,23,43}[/math]
Special properties superparticular,
reduced
Tenney height (log2 nd) 26.8186
Weil height (log2 max(n, d)) 26.8188
Wilson height (sopfr(nd)) 113
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.19845 bits
Comma size unnoticeable
open this interval in xen-calc

10880/10879, the kaguyisma, is a 43-limit superparticular comma of about 0.16 cents.

Commatic relationships

This comma is the difference between the following superparticular pairs:

It can be factored into the following superparticular commas:

Temperaments

Tempering out this comma in the full 43-limit leads to the rank-13 temperament kaguyismic. Using the 2.5.11.17.23.43 subgroup leads to the rank-5 temperament kaguyic.

Kayugismic

Subgroup: 2.3.5.7.11.13.17.19.23.29.31.37.41.43

Comma list: 10880/10879

Mapping:

[⟨ 1 1 2 2 3 3 4 4 4 4 4 5 5 6 ],
0 1 0 0 0 0 0 0 0 0 0 0 0 0 ],
0 0 1 0 0 0 0 0 0 0 0 0 0 1 ],
0 0 0 1 0 0 0 0 0 0 0 0 0 0 ],
0 0 0 0 1 0 0 0 0 0 0 0 0 -1 ],
0 0 0 0 0 1 0 0 0 0 0 0 0 0 ],
0 0 0 0 0 0 1 0 0 0 0 0 0 1 ],
0 0 0 0 0 0 0 1 0 0 0 0 0 0 ],
0 0 0 0 0 0 0 0 1 0 0 0 0 -1 ],
0 0 0 0 0 0 0 0 0 1 0 0 0 0 ],
0 0 0 0 0 0 0 0 0 0 1 0 0 0 ],
0 0 0 0 0 0 0 0 0 0 0 1 0 0 ],
0 0 0 0 0 0 0 0 0 0 0 0 1 0 ]]

Optimal tuning (CTE): ~2 = 1\1, ~3/2 = 701.955, ~5/4 = 386.303, ~7/4 = 968.826, ~11/8 = 551.341, ~13/8 = 840.528, ~17/16 = 104.924, ~19/16 = 297.513, ~23/16 = 628.313, ~29/16 = 1029.577, ~31/16 = 1145.036, ~37/32 = 251.344, ~41/32 = 429.062

Kaguyic

Subgroup: 2.5.11.17.23.43

Comma list: 10880/10879

Mapping:

[⟨ 1 2 3 4 4 6 ],
0 1 0 0 0 1 ],
0 0 1 0 0 -1 ],
0 0 0 1 0 1 ],
0 0 0 0 1 -1 ]]

Optimal tuning (CTE): ~2 = 1\1, ~5/4 = 386.303, ~11/8 = 551.341, ~17/16 = 104.924, ~23/16 = 628.313

Optimal ET sequence4n, 5eg, 6gn, 6, 9, 13n, 15, 16, 19, 21, 28g, 29g, 30, 35, 37, 44, 46, 50, 59, 115, 124, 298, 422, 516, 640, 699, 814, 938, 1637, 1715, 1839, 2137, 2777, 2836, 4973, 5613, 8449, 8573in

Etymology

The kaguyisma was named by Francium in 2024. It refers to 10880 Kaguya, the asteroid. Which was in turn named after the princess from Japanese folklore.

See also