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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[4, 2, 2, 4], [2, 2, 4] 88/15 33, 10 3, 5 15
\(\downarrow\)
[4, 2, 2, 3], [2, 4] 961/161 23, 7 23, 7 161
\(\downarrow\)
[4, 2, 2, 2], [4] 81/13 13, 4 13, 2 26
\(\downarrow\)
[4, 2, 2], [3] 98/15 10, 3 5, 3 15
\(\downarrow\)
[4, 2], [2] 50/7 7, 2 7, 1 7