Cascade for [2, 2], [2, 2, 3, 2, 2], [2, 3, 4]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2], [2, 3, 4], [2, 2, 3, 2, 2] 8/5 3, 18, 15 1, 3, 5 15
\(\downarrow\)
[2, 2], [2, 3, 3], [2, 3, 2, 2] 243/143 3, 13, 11 1, 13, 11 143
\(\downarrow\)
[2, 2], [2, 3, 2], [3, 2, 2] 27/14 3, 8, 7 1, 4, 7 28
\(\downarrow\)
[2, 2], [2, 3], [2, 2, 2] 12/5 3, 5, 4 1, 5, 1 5
\(\downarrow\)
[2, 2], [2, 2], [2, 2] 3 3, 3, 3 1, 1, 1 1