Cascade for [2], [2, 2, 2, 2], [2, 7, 5]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2], [2, 7, 5], [2, 2, 2, 2] 70/9 2, 63, 5 1, 9, 1 9
\(\downarrow\)
[2], [2, 7, 4], [2, 2, 2] 196/25 2, 50, 4 1, 25, 1 25
\(\downarrow\)
[2], [2, 7, 3], [2, 2] 294/37 2, 37, 3 1, 37, 1 37
\(\downarrow\)
[2], [2, 7, 2], [2] 49/6 2, 24, 2 1, 12, 1 12