Marconisma

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Interval information
Ratio 1332/1331
Subgroup monzo 2.3.11.37 [2 2 -3 1
Size in cents 1.3002134¢
Name Marconisma
Color name 37o1u32
thisotrilu 2nd
FJS name [math]\text{A1}^{37}_{11,11,11}[/math]
Special properties superparticular,
reduced
Tenney height (log2 nd) 20.7577
Weil height (log2 max(n, d)) 20.7588
Wilson height (sopfr(nd)) 80
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.214 bits
Comma size unnoticeable
open this interval in xen-calc

1332/1331, the marconisma, is a 37-limit superparticular comma of about 1.3 cents.

Commatic relationships

This comma is the difference between the following superparticular pairs:

It can be factored into following superparticular commas:

Temperaments

Tempering out this comma in the full 37-limit leads to the rank-11 temperament marconismic. Using the 2.3.11.37 subgroup leads to the rank-3 temperament marconic.

Marconismic

Subgroup: 2.3.5.7.11.13.17.19.23.29.31.37

Comma list: 1332/1331

Mapping:

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

Optimal tuning (CTE): ~2 = 1\1, ~3/2 = 701.910, ~5/4 = 386.314, ~7/4 = 968.826, ~11/8 = 551.640, ~13/8 = 840.528, ~17/16 = 104.955, ~19/16 = 297.513, ~23/16 = 628.274, ~29/16 = 1029.577, ~31/16 = 1145.036

Optimal ET sequence6h, 7dfghijjk, 8d, 8di, 9gijk, 9k, 9, 10hil, 12fghhijkll, 14cfgghhiijjkkl, 14cfggiijjkkl, 14cfggjjkkl, 14cfjjkkl, 14cfjjl, 15, 15gk, 16j, 17cgk, 17cghk, 22ijl, 22il, 24ij, 24i, 24, 29gjkll, 31fghjk, 34dhjkl, 38dfijkkl, 38dfijl, 41, 41i, 46l, 56, 58hikl, 65d, 72hijk, 72ijk, 72, 80, 80k, 103hil, 103hl, 121ikl, 145jkl, 152fj, 152fgj, 159k, 183k, 183, 190gl, 217l, 224, 239, 248h, 270l, 279, 296, 311k, 311, 472f, 472, 487, 535k, 552g, 566gjl, 624jk, 711, 718, 814k, 814, 863efgjk, 935, 1096j, 1125l, …

Marconic

Subgroup: 2.3.11.37

Comma list: 1332/1331

Mapping:

[⟨ 1 1 3 5 ],
0 1 0 -2 ],
0 0 1 3 ]]

Optimal tuning (CTE): ~2 = 1\1, ~3/2 = 701.910, ~11/8 = 551.640

Optimal ET sequence7, 15, 17, 24, 104, 111, 128, 135, 152, 176, 200, 359, 383, 535, 559, 1142, 1901e

Etymology

The marconisma was named by Francium in 2024. It refers to the asteroid 1332 Marconia. Which was in turn named after an Italian electrical engineer.

See also