4225/4224: Difference between revisions

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== Temperaments ==
== Temperaments ==
Tempering it out in the full 13-limit leads to the rank-5 '''leprechaun temperament'''. It is also tempered out in lower-rank temperaments including abigail, newt, decoid, donar, etc.
Tempering out this comma in the full 13-limit leads to the rank-5 '''leprechaun temperament'''. It is also tempered out in lower-rank temperaments including [[abigail]], [[newt]], [[decoid]], [[donar]], etc. Tempering it out also splits the [[33/32]] Alpharabian quarter-tone in two, each part corresponding to 65/64 and 66/65. You may find a list of good equal temperaments that support this temperament below.  


Tempering it out also splits the [[33/32]] Alpharabian quarter-tone in two, each part corresponding to 65/64 and 66/65.
[[Subgroup]]: 2.3.5.7.11.13
 
[[Mapping]]:
<br>[{{val| 1 0 0 0 1 4 }}
<br>{{val| 0 1 0 0 1 1 }}
<br>{{val| 0 0 1 0 0 -1 }}
<br>{{val| 0 0 0 1 0 0 }}
<br>{{val| 0 0 0 0 2 1 }}]
 
Mapping generators: ~2, ~3, ~5, ~7, ~65/48
 
{{Val list|legend=1| 41, 46, 53, 80, 87, 103, 121, 130, 183, 190, 217, 224, 270, 494, 684, 764, 935, 954, 1178, 1308, 1448, 1578, 1889, 2756, 2843, 3337, 4421f, 4915f, 7758cff, 10514cdff }}


== See also ==
== See also ==

Revision as of 18:59, 13 November 2022

Interval information
Ratio 4225/4224
Factorization 2-7 × 3-1 × 52 × 11-1 × 132
Monzo [-7 -1 2 0 -1 2
Size in cents 0.409808¢
Name leprechaun comma
FJS name [math]\displaystyle{ \text{P1}^{5,5,13,13}_{11} }[/math]
Special properties square superparticular,
reduced
Tenney height (log2 nd) 24.0891
Weil height (log2 max(n, d)) 24.0895
Wilson height (sopfr(nd)) 64
Comma size unnoticeable
S-expression S65
Open this interval in xen-calc

4225/4224, the leprechaun comma, is an unnoticeable 13-limit superparticular interval. It is the difference between the following pairs:

Temperaments

Tempering out this comma in the full 13-limit leads to the rank-5 leprechaun temperament. It is also tempered out in lower-rank temperaments including abigail, newt, decoid, donar, etc. Tempering it out also splits the 33/32 Alpharabian quarter-tone in two, each part corresponding to 65/64 and 66/65. You may find a list of good equal temperaments that support this temperament below.

Subgroup: 2.3.5.7.11.13

Mapping:
[1 0 0 0 1 4]
0 1 0 0 1 1]
0 0 1 0 0 -1]
0 0 0 1 0 0]
0 0 0 0 2 1]]

Mapping generators: ~2, ~3, ~5, ~7, ~65/48

Template:Val list

See also