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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2], [2, 4, 2, 4, 2], [3, 2, 3] 21/5 2, 70, 12 1, 5, 2 10
\(\downarrow\)
[2], [2, 4, 2, 4], [2, 2, 3] 1250/287 2, 41, 7 1, 41, 7 287
\(\downarrow\)
[2], [2, 4, 2, 3], [2, 3] 648/145 2, 29, 5 1, 29, 5 145
\(\downarrow\)
[2], [2, 4, 2, 2], [3] 242/51 2, 17, 3 1, 17, 3 51
\(\downarrow\)
[2], [2, 4, 2], [2] 16/3 2, 12, 2 1, 3, 1 3