| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index |
|---|---|---|---|---|
| [4], [2, 2, 2], [2, [2], [2], [2, 2]] | 1 | 4, 4, 12 | 2, 1, 1 | 2 |
| \(\downarrow\) | ||||
| [2], [2], [3], [2, [2], [2], [2, 2]] | 4/3 | 2, 2, 3, 12 | 1, 1, 3, 1 | 3 |
| \(\downarrow\) | ||||
| [2], [2], [2], [2, [2], [2], [2]] | 2 | 2, 2, 2, 8 | 1, 1, 1, 1 | 1 |