19/15

Interval information

Ratio	19/15
Subgroup monzo	3.5.19 [-1 -1 1⟩
Size in cents	409.2443¢
Names	large undevicesimal major third, Eratosthenes' major third
Color name	19og4, nogu 4th
FJS name	[math]\displaystyle{ \text{d4}^{19}_{5} }[/math]
Special properties	reduced
Tenney height (log2 nd)	8.15482
Weil height (log2 max(n, d))	8.49586
Wilson height (sopfr(nd))	27
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19/15, the large undevicesimal major third or Eratosthenes' major third is a 19-limit interval, 409.2 cents in size, that is sharper than the Pythagorean major third by the password aka Eratosthenes' comma (1216/1215), an unnoticeable comma of about 1.4243 cents.

See also

• 30/19 – its octave complement
• 24/19 – the small undevicesimal major third
• Gallery of just intervals