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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 4], [2, 2, 2, 2, 2, 2], [4, 2] 9/7 7, 7, 7 7, 1, 7 7
\(\downarrow\)
[2, 3], [2, 2, 2, 2, 2], [4, 2] 54/35 5, 6, 7 5, 1, 7 35
\(\downarrow\)
[2, 2], [2, 2, 2, 2], [4, 2] 15/7 3, 5, 7 1, 1, 7 7
\(\downarrow\)
[2, 2], [2, 2, 2], [3, 2] 12/5 3, 4, 5 1, 1, 5 5
\(\downarrow\)
[2, 2], [2, 2], [2, 2] 3 3, 3, 3 1, 1, 1 1