Cascade for [2], [2, 2], [2, 2, 2, 4, 2, 2, 2]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2], [2, 2], [2, 2, 2, 4, 2, 2, 2] 3/5 2, 3, 40 1, 1, 5 5
\(\downarrow\)
[2], [2], [2, 2, 2, 3, 2, 2, 2] 2/3 2, 2, 24 1, 1, 6 6
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2] 1 2, 8 1, 1 1
\(\downarrow\)
[2], [2, 2, 2], [2, 2, 2] 2 2, 4, 4 1, 1, 1 1