Fynn's comma

Interval information

Factorization	273 × 7-26
Monzo	[73 0 0 -26⟩
Size in cents	10.52643¢
Names	Fynn's comma, 26-7-comma
FJS name	[math]\displaystyle{ \text{7d}{-10}_{7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7} }[/math]
Special properties	reduced, reduced subharmonic
Tenney norm (log2 nd)	145.991
Weil norm (log2 max(n, d))	146
Wilson norm (sopfr(nd))	328
Comma size	small
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Fynn's comma (monzo: [73 0 0 -26⟩, ratio: 9 444 732 965 739 290 427 392 / 9 387 480 337 647 754 305 649), or systematically, the 26-7-comma, is a small 7-limit comma measuring about 10.5 cents. It is the amount by which twenty-one octaves exceed twenty-six harmonic sevenths, or 2²¹/(7/4)²⁶. It is tempered out by 26edo and its multiples.