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

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[2, 4], [2, 2, 2] 36/7 7, 4 7, 1 7
\(\downarrow\)
[2, 3], [2, 2] 27/5 5, 3 5, 1 5
\(\downarrow\)
[2, 2], [2] 6 3, 2 1, 1 1