Cascade for [2, 2], [3, 7]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2], [3, 7] 48/5 3, 20 1, 5 5
\(\downarrow\)
[2], [2, 7] 128/13 2, 13 1, 13 13