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