Cascade for [2, 2, 2, 2, 2, 2], [7, 15]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2, 2, 2, 2, 2], [7, 15] 224/13 7, 104 1, 13 13
\(\downarrow\)
[2, 2, 2, 2, 2], [6, 15] 1536/89 6, 89 1, 89 89
\(\downarrow\)
[2, 2, 2, 2], [5, 15] 640/37 5, 74 1, 37 37
\(\downarrow\)
[2, 2, 2], [4, 15] 1024/59 4, 59 1, 59 59
\(\downarrow\)
[2, 2], [3, 15] 192/11 3, 44 1, 11 11
\(\downarrow\)
[2], [2, 15] 512/29 2, 29 1, 29 29