Cascade for [2, 2, 2, 2], [2, 2, 2, 2], [5, 4, 5]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2, 2, 2], [5, 4, 5], [2, 2, 2, 2] 40/9 5, 90, 5 1, 9, 1 9
\(\downarrow\)
[2, 2, 2], [4, 4, 5], [2, 2, 2, 2] 320/71 4, 71, 5 1, 71, 1 71
\(\downarrow\)
[2, 2], [3, 4, 5], [2, 2, 2, 2] 60/13 3, 52, 5 1, 13, 1 13
\(\downarrow\)
[2], [2, 4, 5], [2, 2, 2, 2] 160/33 2, 33, 5 1, 33, 1 33
\(\downarrow\)
[2], [2, 4, 4], [2, 2, 2] 64/13 2, 26, 4 1, 13, 1 13
\(\downarrow\)
[2], [2, 4, 3], [2, 2] 96/19 2, 19, 3 1, 19, 1 19
\(\downarrow\)
[2], [2, 4, 2], [2] 16/3 2, 12, 2 1, 3, 1 3