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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2, 2, 2], [4, [2], [2], [2]], [4, [2], [2], [2]] 1/5 5, 40, 40 1, 5, 5 5
\(\downarrow\)
[3, [2], [2], [2]], [4, [2], [2], [2]], [2, 2, 2] 4/15 24, 40, 4 3, 5, 1 15
\(\downarrow\)
[2, [2], [2], [2]], [4, [2], [2], [2]], [2, 2] 3/5 8, 40, 3 1, 5, 1 5
\(\downarrow\)
[2, [2], [2], [2]], [3, [2], [2], [2]], [2] 2/3 8, 24, 2 1, 3, 1 3
\(\downarrow\)
[2, [2], [2], [2]], [2, [2], [2], [2]] 1 8, 8 1, 1 1