47 singularity types
| Singularity types | \(K^2\) | Orders of local fundamental groups |
Local indices | Index | Cascade |
|---|---|---|---|---|---|
| [32] | 289/8 | 32 | 16 | 16 | cascade |
| [2], [2], [2, 9, 2] | 81/8 | 2, 2, 32 | 1, 1, 16 | 16 | cascade |
| [2], [2, 2, 2, 2, 2], [2, 6, 6] | 27/4 | 2, 6, 64 | 1, 1, 16 | 16 | cascade |
| [4], [2, 2, 2], [2, 2, 2, 3, 4] | 25/8 | 4, 4, 32 | 2, 1, 16 | 16 | cascade |
| [2, 2], [2, 2, 2, 2, 2, 2], [3, 2, 7] | 21/8 | 3, 7, 32 | 1, 1, 16 | 16 | cascade |
| [2, 2, 2], [3, 2, 2, 2, 3], [2, 6, 2, 2, 4] | 15/8 | 4, 20, 96 | 1, 2, 16 | 16 | cascade |
| [2, 2, 2, 2, 2], [2, 2, 2, 2, 2], [6, 3, 6] | 27/8 | 6, 6, 96 | 1, 1, 16 | 16 | cascade |
| [2, 3, 2], [2, 2, 2, 2, 2, 2, 2], [3, 2, 7] | 9/8 | 8, 8, 32 | 4, 1, 16 | 16 | cascade |
| [2, 3, 2], [2, 2, 4, 2, 2], [3, 2, 3, 2, 4] | 3/4 | 8, 24, 64 | 4, 4, 16 | 16 | cascade |
| [3, 3], [2, 2, 2, 3, 4], [2, 2, 3, 3, 2, 2] | 5/8 | 8, 32, 40 | 2, 16, 4 | 16 | cascade |
| [8], [3, 3], [2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2] | 9/8 | 8, 8, 32 | 4, 2, 16 | 16 | cascade |
| [2, 2, 2], [2, 9, 2], [3, 2, 2, 2, 2, 2, 2, 2, 3] | 9/8 | 4, 32, 36 | 1, 16, 2 | 16 | cascade |
| [2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 3, 4], [5, 2, 5] | 5/8 | 8, 32, 40 | 1, 16, 4 | 16 | cascade |
| [2, 2, 2, 2, 4], [2, 2, 2, 3, 4], [2, 2, 3, 2, 5] | 3/8 | 16, 32, 48 | 8, 16, 4 | 16 | cascade |
| [2, 2, 2, 2, 2, 2, 2], [3, 2, 2, 2, 2, 3], [2, 6, 6] | 3/4 | 8, 24, 64 | 1, 2, 16 | 16 | cascade |
| [2, 2, 2, 3, 4], [2, 2, 2, 3, 4], [2, 2, 3, 2, 2, 5] | 1/4 | 32, 32, 64 | 16, 16, 4 | 16 | cascade |
| [2, 2, 3, 5], [2, 2, 2, 2, 2, 4, 2], [3, 2, 3, 2, 4] | 1/4 | 32, 32, 64 | 4, 8, 16 | 16 | cascade |
| [2, 2, 4, 2, 2], [3, 2, 2, 2, 2, 3], [2, 6, 2, 2, 4] | 3/8 | 24, 24, 96 | 4, 2, 16 | 16 | cascade |
| [2, 3, 2], [2, 9, 2], [3, 2, 2, 2, 2, 2, 2, 2, 2, 3] | 5/8 | 8, 32, 40 | 4, 16, 2 | 16 | cascade |
| [2, 2, 6], [2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2], [3, 6, 3] | 3/8 | 16, 32, 48 | 4, 16, 8 | 16 | cascade |
| [2, 2, 6], [3, 2, 7], [2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2] | 3/8 | 16, 32, 48 | 4, 16, 8 | 16 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [17, 17] | 153/8 | 17, 288 | 1, 16 | 16 | cascade |
| [2, 2, 2, 2, 2, 4, 2], [3, 2, 2, 2, 2, 2, 2, 3], [2, 6, 6] | 1/4 | 32, 32, 64 | 8, 2, 16 | 16 | cascade |
| [2, 5, 2], [2, 9, 2], [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3] | 3/8 | 16, 32, 48 | 8, 16, 2 | 16 | cascade |
| [3, 2, 2, 3], [2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2], [2, 3, 10] | 3/8 | 16, 32, 48 | 2, 16, 8 | 16 | cascade |
| [3, 2, 7], [2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2], [2, 3, 5, 3] | 1/4 | 32, 32, 64 | 16, 16, 8 | 16 | cascade |
| [8], [5, 5], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2] | 3/4 | 8, 24, 64 | 4, 4, 16 | 16 | cascade |
| [2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 5, 18] | 45/8 | 2, 18, 160 | 1, 1, 16 | 16 | cascade |
| [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [3, 2, 7], [2, 3, 10] | 3/8 | 16, 32, 48 | 1, 16, 8 | 16 | cascade |
| [3, 2, 7], [2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2], [2, 2, 2, 2, 2, 2, 10] | 1/4 | 32, 32, 64 | 16, 16, 8 | 16 | cascade |
| [3, 11], [2, 2, 3, 5], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2] | 1/4 | 32, 32, 64 | 8, 4, 16 | 16 | cascade |
| [2, 9, 2], [2, 9, 2], [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3] | 1/4 | 32, 32, 64 | 16, 16, 2 | 16 | cascade |
| [2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 22] | 11/4 | 2, 22, 64 | 1, 1, 16 | 16 | cascade |
| [2, 2, 2, 2, 2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [6, 2, 18] | 9/4 | 6, 18, 192 | 1, 1, 16 | 16 | cascade |
| [4], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 2, 2, 2, 20] | 15/8 | 4, 20, 96 | 2, 1, 16 | 16 | cascade |
| [3, 2, 2, 2, 3], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [2, 5, 18] | 5/8 | 20, 20, 160 | 2, 1, 16 | 16 | cascade |
| [3, 3], [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, 22] | 3/4 | 8, 24, 64 | 2, 1, 16 | 16 | cascade |
| [5, 5], [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, 20] | 3/8 | 24, 24, 96 | 4, 1, 16 | 16 | cascade |
| [32], [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] | 33/8 | 32, 33 | 16, 1 | 16 | cascade |
| [2], [32], [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] | 17/8 | 2, 32, 34 | 1, 16, 1 | 16 | cascade |
| [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], [17, 2, 17] | 17/8 | 17, 17, 544 | 1, 1, 16 | 16 | cascade |
| [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], [17, 17] | 9/8 | 18, 18, 288 | 1, 1, 16 | 16 | cascade |
| [3, 11], [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, 22] | 1/4 | 32, 32, 64 | 8, 1, 16 | 16 | cascade |
| [4], [32], [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] | 9/8 | 4, 32, 36 | 2, 16, 1 | 16 | cascade |
| [8], [32], [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, 2, 2, 2, 2] | 5/8 | 8, 32, 40 | 4, 16, 1 | 16 | cascade |
| [16], [32], [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] | 3/8 | 16, 32, 48 | 8, 16, 1 | 16 | cascade |
| [32], [32], [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, 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] | 1/4 | 32, 32, 64 | 16, 16, 1 | 16 | cascade |