| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index |
|---|---|---|---|---|
| [2, 2, 2, 2], [5, 2, 5], [2, 2, 2, 2] | 5/2 | 5, 40, 5 | 1, 4, 1 | 4 |
| \(\downarrow\) | ||||
| [2, 2, 2], [4, 2, 5], [2, 2, 2, 2] | 80/31 | 4, 31, 5 | 1, 31, 1 | 31 |
| \(\downarrow\) | ||||
| [2, 2], [3, 2, 5], [2, 2, 2, 2] | 30/11 | 3, 22, 5 | 1, 11, 1 | 11 |
| \(\downarrow\) | ||||
| [2], [2, 2, 5], [2, 2, 2, 2] | 40/13 | 2, 13, 5 | 1, 13, 1 | 13 |
| \(\downarrow\) | ||||
| [2], [2, 2, 4], [2, 2, 2] | 16/5 | 2, 10, 4 | 1, 5, 1 | 5 |
| \(\downarrow\) | ||||
| [2], [2, 2, 3], [2, 2] | 24/7 | 2, 7, 3 | 1, 7, 1 | 7 |
| \(\downarrow\) | ||||
| [2], [2, 2, 2], [2] | 4 | 2, 4, 2 | 1, 1, 1 | 1 |