| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index |
|---|---|---|---|---|
| [2, 4, 2], [2, [2], [2], [2, 2, 2, 2]] | 1/3 | 12, 20 | 3, 1 | 3 |
| \(\downarrow\) | ||||
| [2, 2, 2], [2, 2, 2], [2, 4, 2] | 4/3 | 4, 4, 12 | 1, 1, 3 | 3 |
| \(\downarrow\) | ||||
| [2, 2], [2, 2, 2], [2, 3, 2] | 3/2 | 3, 4, 8 | 1, 1, 4 | 4 |
| \(\downarrow\) | ||||
| [2], [2, 2, 2], [2, 2, 2] | 2 | 2, 4, 4 | 1, 1, 1 | 1 |