26 singularity types
| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index | Cascade |
|---|---|---|---|---|---|
| [12] | 49/3 | 12 | 6 | 6 | cascade |
| [3, 3], [2, 3, 2, 4] | 6 | 8, 27 | 2, 3 | 6 | cascade |
| [2, 5], [3, 2, 2, 2, 3] | 5 | 9, 20 | 3, 2 | 6 | cascade |
| [2], [3, 3], [2, 3, 2, 3, 2] | 10/3 | 2, 8, 30 | 1, 2, 3 | 6 | cascade |
| [2, 2, 2, 2, 2, 2], [7, 7] | 28/3 | 7, 48 | 1, 6 | 6 | cascade |
| [3], [4], [2, 2, 2, 2, 2, 2] | 7/3 | 3, 4, 7 | 3, 2, 1 | 6 | cascade |
| [4], [4], [2, 2, 2, 3, 2, 2, 2] | 8/3 | 4, 4, 24 | 2, 2, 6 | 6 | cascade |
| [2, 2], [2, 5], [3, 2, 2, 2, 2, 3] | 2 | 3, 9, 24 | 1, 3, 2 | 6 | cascade |
| [2, 2, 2], [2, 4, 2], [3, 2, 2, 3] | 4/3 | 4, 12, 16 | 1, 3, 2 | 6 | cascade |
| [2, 2, 2], [3, 3], [2, 3, 2, 2, 4] | 2 | 4, 8, 36 | 1, 2, 3 | 6 | cascade |
| [3], [2, 5], [2, 2, 2, 3, 2, 2, 2] | 2 | 3, 9, 24 | 3, 3, 6 | 6 | cascade |
| [2, 2, 2, 2, 2], [3, 2, 3], [2, 3, 4] | 1 | 6, 12, 18 | 1, 2, 3 | 6 | cascade |
| [3, 3], [3, 3], [2, 3, 2, 2, 2, 3, 2] | 4/3 | 8, 8, 48 | 2, 2, 3 | 6 | cascade |
| [4], [6], [2, 2, 2, 2, 2, 2, 2, 2, 2] | 5/3 | 4, 6, 10 | 2, 3, 1 | 6 | cascade |
| [2, 4, 2], [2, 4, 2], [3, 2, 2, 2, 2, 3] | 2/3 | 12, 12, 24 | 3, 3, 2 | 6 | cascade |
| [2, 5], [2, 5], [3, 2, 2, 2, 2, 2, 2, 2, 3] | 1 | 9, 9, 36 | 3, 3, 2 | 6 | cascade |
| [4], [2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 8] | 2 | 4, 8, 36 | 2, 1, 6 | 6 | cascade |
| [12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 13/3 | 12, 13 | 6, 1 | 6 | cascade |
| [2], [12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 7/3 | 2, 12, 14 | 1, 6, 1 | 6 | cascade |
| [2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2], [7, 2, 7] | 7/3 | 7, 7, 84 | 1, 1, 6 | 6 | cascade |
| [2, 5], [2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 8] | 1 | 9, 9, 36 | 3, 1, 6 | 6 | cascade |
| [2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 2], [7, 7] | 4/3 | 8, 8, 48 | 1, 1, 6 | 6 | cascade |
| [3], [12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 5/3 | 3, 12, 15 | 3, 6, 1 | 6 | cascade |
| [4], [12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 4/3 | 4, 12, 16 | 2, 6, 1 | 6 | cascade |
| [6], [12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 1 | 6, 12, 18 | 3, 6, 1 | 6 | cascade |
| [12], [12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 2/3 | 12, 12, 24 | 6, 6, 1 | 6 | cascade |