552/551, the sigelindisma is a 29-limit superparticular comma. It was first described and documented by Douglas Blumeyer in 2021.

Interval information
Ratio 552/551
Subgroup monzo 2.3.19.23.29 [3 1 -1 1 -1
Size in cents 3.139138¢
Name sigelindisma
Color name 29u23o19u1, twenutwethonu unison
FJS name [math]\displaystyle{ \text{d}{-2}^{23}_{19,29} }[/math]
Special properties superparticular,
reduced
Tenney norm (log2 nd) 18.2144
Weil norm (log2 max(n, d)) 18.217
Wilson norm (sopfr(nd)) 80
Comma size unnoticeable
Open this interval in xen-calc

Etymology

The name sigelindisma was named by Xenllium in 2025. It refers to 552 Sigelinde, the asteroid. Which was in turn named after a fictional character.

See also