| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index |
|---|---|---|---|---|
| [2], [2, 3, 4], [2, 2, 2] | 4 | 2, 18, 4 | 1, 3, 1 | 3 |
| \(\downarrow\) | ||||
| [2], [2, 3, 3], [2, 2] | 54/13 | 2, 13, 3 | 1, 13, 1 | 13 |
| \(\downarrow\) | ||||
| [2], [2, 3, 2], [2] | 9/2 | 2, 8, 2 | 1, 4, 1 | 4 |