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Interval information
Ratio 7/6
Factorization 2-1 × 3-1 × 7
Monzo [-1 -1 0 1
Size in cents 266.87091¢
Names subminor third,
septimal minor third
Color name z3, zo 3rd
FJS name [math]\text{m3}^{7}[/math]
Special properties superparticular,
Tenney height (log2 nd) 5.39232
Weil height (log2 max(n, d)) 5.61471
Wilson height (sopfr (nd)) 12
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~4.54589 bits

[sound info]
open this interval in xen-calc
English Wikipedia has an article on:

In 7-limit just intonation, 7/6 is the subminor third or septimal minor third. At about 267 cents, it is smaller than both the 5-limit minor third (6/5, ~316 cents) and the familiar 12edo minor third (300 cents). In contrast to 5/4 and 6/5, 7/6 is noticeably more consonant than it's counterpart 9/7, and a 6:7:9 minor triad can sound very stable compared to 14:18:21 .

See also