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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[5, 5], [2, 2, 2, 2] 15/2 24, 5 4, 1 4
\(\downarrow\)
[5, 4], [2, 2, 2] 144/19 19, 4 19, 1 19
\(\downarrow\)
[5, 3], [2, 2] 54/7 14, 3 7, 1 7
\(\downarrow\)
[5, 2], [2] 8 9, 2 3, 1 3