| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index |
|---|---|---|---|---|
| [2, 2, 2], [2, 6, 2], [2, [2], [2], [2, 2, 2]] | 1/5 | 4, 20, 16 | 1, 5, 1 | 5 |
| \(\downarrow\) | ||||
| [2], [2], [2, 5, 2], [2, [2], [2], [2, 2, 2]] | 1/4 | 2, 2, 16, 16 | 1, 1, 8, 1 | 8 |
| \(\downarrow\) | ||||
| [2], [2], [2, 4, 2], [2, [2], [2], [2, 2]] | 1/3 | 2, 2, 12, 12 | 1, 1, 3, 1 | 3 |
| \(\downarrow\) | ||||
| [2], [2], [2, 3, 2], [2, [2], [2], [2]] | 1/2 | 2, 2, 8, 8 | 1, 1, 4, 1 | 4 |
| \(\downarrow\) | ||||
| [2], [2], [2, 2, 2], [2, 2, 2] | 1 | 2, 2, 4, 4 | 1, 1, 1, 1 | 1 |