3312/3311

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Interval information
Ratio 3312/3311
Subgroup monzo 2.3.7.11.23.43 [4 2 -1 -1 1 -1
Size in cents 0.5227945¢
Name pedersenisma
Color name 43u23o1ur1
fothutwetholuru unison
FJS name [math]\text{d}{-2}^{23}_{7,11,43}[/math]
Special properties superparticular,
reduced
Tenney height (log2 nd) 23.3865
Weil height (log2 max(n, d)) 23.387
Wilson height (sopfr(nd)) 98
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.20077 bits
Comma size unnoticeable
open this interval in xen-calc

3312/3311, the pedersenisma, is a 43-limit superparticular comma of about 0.52 cents.

Commatic relationships

This comma is the difference between the following superparticular pairs:

It can be factored into the following superparticular intervals:

Temperaments

Tempering out this comma in the full 43-limit leads to the rank-13 temperament pedersenismic. Using the 2.3.7.11.23.43 subgroup leads to the rank-5 temperament pedersenic.

Pedersenic

Subgroup: 2.3.7.11.23.43

Comma list: 3312/3311

Mapping:

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

Optimal tuning (CTE): ~2 = 1\1, ~3/2 = 701.922, ~7/4 = 968.878, ~11/8 = 551.396, ~23/16 = 628.140

Optimal ET sequence5i, 7di, 7, 8din, 9in, 10, 12e, 12i, 14, 17, 22n, 24i, 31, 58i, 63, 89, 94, 113, 135, 152, 176, 176, 207, 165, 328, 342, 359, 535, 670, 701, 877, 1029, 1236, 1906n, 2607n, 3142n, 3843n

Etymology

This comma was named by Francium in 2025. It refers to 3312 Pedersen, the asteroid, which in turn was named after Holger Pedersen, a Danish astronomer.

See also