50 singularity types
| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index | Cascade |
|---|---|---|---|---|---|
| [9] | 121/9 | 9 | 9 | 9 | cascade |
| [18] | 200/9 | 18 | 9 | 9 | cascade |
| [2], [2, 14] | 50/3 | 2, 27 | 1, 9 | 9 | cascade |
| [2], [2], [2, 10, 2] | 100/9 | 2, 2, 36 | 1, 1, 9 | 9 | cascade |
| [2, 2, 2, 2], [5, 11] | 40/3 | 5, 54 | 1, 9 | 9 | cascade |
| [3], [2, 2], [2, 2, 2, 3] | 25/9 | 3, 3, 9 | 3, 1, 9 | 9 | cascade |
| [3], [2, 2], [2, 2, 3, 3] | 32/9 | 3, 3, 18 | 3, 1, 9 | 9 | cascade |
| [2], [2, 2, 2, 2], [2, 7, 5] | 70/9 | 2, 5, 63 | 1, 1, 9 | 9 | cascade |
| [2, 2], [2, 2, 2, 3], [2, 4, 2] | 16/9 | 3, 9, 12 | 1, 9, 3 | 9 | cascade |
| [2, 2], [2, 2, 2, 2, 2], [3, 2, 6] | 8/3 | 3, 6, 27 | 1, 1, 9 | 9 | cascade |
| [2, 2], [2, 2, 3, 3], [2, 3, 3, 2] | 14/9 | 3, 18, 21 | 1, 9, 3 | 9 | cascade |
| [2, 2], [2, 4, 2], [3, 2, 3, 2, 3] | 20/9 | 3, 12, 45 | 1, 3, 9 | 9 | cascade |
| [3], [6], [2, 2, 2, 2, 2, 3, 2, 2] | 8/3 | 3, 6, 27 | 3, 3, 9 | 9 | cascade |
| [9], [2, 2, 2, 2, 2, 2, 2, 2, 2] | 40/9 | 9, 10 | 9, 1 | 9 | cascade |
| [2, 2, 2, 2], [2, 2, 2, 2], [5, 4, 5] | 40/9 | 5, 5, 90 | 1, 1, 9 | 9 | cascade |
| [2, 2, 2, 2, 2], [2, 2, 2, 3], [4, 4] | 10/9 | 6, 9, 15 | 1, 9, 3 | 9 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2], [10, 10] | 110/9 | 10, 99 | 1, 9 | 9 | cascade |
| [2, 2, 2, 3], [2, 2, 2, 3], [2, 3, 4] | 8/9 | 9, 9, 18 | 9, 9, 3 | 9 | cascade |
| [3], [4, 4], [2, 2, 2, 2, 2, 3, 2, 2] | 5/3 | 3, 15, 27 | 3, 3, 9 | 9 | cascade |
| [2], [9], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 22/9 | 2, 9, 11 | 1, 9, 1 | 9 | cascade |
| [2, 2, 2, 2, 2], [2, 2, 3, 3], [4, 2, 4] | 8/9 | 6, 18, 24 | 1, 9, 3 | 9 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [5, 11] | 22/3 | 11, 54 | 1, 9 | 9 | cascade |
| [2, 2, 2, 3], [2, 2, 3, 3], [2, 3, 2, 4] | 2/3 | 9, 18, 27 | 9, 9, 3 | 9 | cascade |
| [2], [2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 6, 10] | 20/3 | 2, 10, 108 | 1, 1, 9 | 9 | cascade |
| [2, 2, 3, 3], [2, 2, 3, 3], [2, 3, 2, 2, 4] | 4/9 | 18, 18, 36 | 9, 9, 3 | 9 | cascade |
| [2, 5], [2, 3, 4], [2, 2, 2, 2, 2, 3, 2, 2] | 2/3 | 9, 18, 27 | 3, 3, 9 | 9 | cascade |
| [3], [9], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 16/9 | 3, 9, 12 | 3, 9, 1 | 9 | cascade |
| [6], [2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 6] | 16/9 | 6, 6, 36 | 3, 1, 9 | 9 | cascade |
| [6], [2, 4, 2], [2, 2, 2, 2, 2, 2, 3, 2, 3] | 4/3 | 6, 12, 54 | 3, 3, 9 | 9 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2], [2, 3, 4], [3, 2, 6] | 2/3 | 9, 18, 27 | 1, 3, 9 | 9 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 14] | 14/3 | 14, 27 | 1, 9 | 9 | cascade |
| [3, 2, 6], [2, 3, 2, 4], [2, 2, 2, 2, 2, 3, 2, 2] | 1/3 | 27, 27, 27 | 9, 3, 9 | 9 | cascade |
| [2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2], [5, 3, 10] | 10/3 | 5, 10, 135 | 1, 1, 9 | 9 | cascade |
| [3], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 12] | 20/9 | 3, 12, 45 | 3, 1, 9 | 9 | cascade |
| [6], [9], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 10/9 | 6, 9, 15 | 3, 9, 1 | 9 | cascade |
| [2, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 14] | 5/3 | 3, 15, 27 | 1, 1, 9 | 9 | cascade |
| [2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [5, 11] | 4/3 | 6, 12, 54 | 1, 1, 9 | 9 | cascade |
| [2, 4, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [3, 2, 2, 11] | 8/9 | 12, 12, 72 | 3, 1, 9 | 9 | cascade |
| [9], [9], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 8/9 | 9, 9, 18 | 9, 9, 1 | 9 | cascade |
| [18], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 38/9 | 18, 19 | 9, 1 | 9 | cascade |
| [4, 4], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 12] | 5/9 | 15, 15, 45 | 3, 1, 9 | 9 | cascade |
| [2], [18], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 20/9 | 2, 18, 20 | 1, 9, 1 | 9 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2], [10, 2, 10] | 20/9 | 10, 10, 180 | 1, 1, 9 | 9 | cascade |
| [2, 5], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 14] | 2/3 | 9, 18, 27 | 3, 1, 9 | 9 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [10, 10] | 11/9 | 11, 11, 99 | 1, 1, 9 | 9 | cascade |
| [3], [18], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 14/9 | 3, 18, 21 | 3, 9, 1 | 9 | cascade |
| [6], [18], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 8/9 | 6, 18, 24 | 3, 9, 1 | 9 | cascade |
| [9], [18], [2, 2, 2, 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 | 9, 18, 27 | 9, 9, 1 | 9 | cascade |
| [2, 14], [2, 14], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 1/3 | 27, 27, 27 | 9, 9, 1 | 9 | cascade |
| [18], [18], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 4/9 | 18, 18, 36 | 9, 9, 1 | 9 | cascade |