49/27, the novel supraminor seventh or septimal diminished octave, is a 7-limit interval.

Interval information
Ratio 49/27
Factorization 3-3 × 72
Monzo [0 -3 0 2
Size in cents 1031.787¢
Names novel supraminor seventh,
septimal diminished octave
FJS name [math]\displaystyle{ \text{d8}^{7,7} }[/math]
Special properties reduced
Tenney norm (log2 nd) 10.3696
Weil norm (log2 max(n, d)) 11.2294
Wilson norm (sopfr(nd)) 23
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