153/152

Interval information

Ratio	153/152
Subgroup monzo	2.3.17.19 [-3 2 1 -1⟩
Size in cents	11.3524¢
Names	Ganassi's comma, ganassisma
Color name	19u17o1, nuso 1sn, Nuso comma
FJS name	[math]\displaystyle{ \text{P1}^{17}_{19} }[/math]
Special properties	superparticular, reduced
Tenney norm (log2 nd)	14.5053
Weil norm (log2 max(n, d))	14.5148
Wilson norm (sopfr(nd))	48
Comma size	small
S-expression	S17⋅S18
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153/152, Ganassi's comma or the ganassisma, is a 19-limit superparticular comma. It is the amount by which 19/17 falls short of 9/8.

Temperaments

If the comma is tempered out in 2.3.19/17, it leads to the little ganassi temperament, and if this is extended to the full prime subgroup 2.3.17.19, it leads to the ganassi temperament.

Etymology

153/152 is named after Sylvestro Ganassi, who devised a well-temperament based in part on the consecutive integers 16:17:18:19, therefore making 19/17 span a whole tone just like 9/8 (18/16).

External links

• Ganassi's Well-temperament on Tonalsoft Encyclopedia