| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index |
|---|---|---|---|---|
| [2, 2, 2, 2, 2], [2, 4, 2], [2, 4, 2] | 2/3 | 6, 12, 12 | 1, 3, 3 | 3 |
| \(\downarrow\) | ||||
| [2, 3, 2], [2, 4, 2], [2, 2, 2, 2] | 5/6 | 8, 12, 5 | 4, 3, 1 | 12 |
| \(\downarrow\) | ||||
| [2, 2, 2], [2, 4, 2], [2, 2, 2] | 4/3 | 4, 12, 4 | 1, 3, 1 | 3 |
| \(\downarrow\) | ||||
| [2, 2, 2], [2, 3, 2], [2, 2] | 3/2 | 4, 8, 3 | 1, 4, 1 | 4 |
| \(\downarrow\) | ||||
| [2, 2, 2], [2, 2, 2], [2] | 2 | 4, 4, 2 | 1, 1, 1 | 1 |