Order 31712.
94 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C2×C4×D991 | C2 | semidirect |
| 3. Dic991⋊C4 | C2 | semidirect |
| 4. C22⋊Dic991 | C2 | semidirect |
| 5. (C2×D991)⋊C4 | C2 | semidirect |
| 6. C4×Dic991 | C2 | semidirect |
| 7. C22×C4×C991 | C2 | semidirect |
| 9. C22⋊D991 | C4 | direct (N × H) |
| 20. C22×C991 | C2×C4 | semidirect |
| 24. C2×D991 | C2×C4 | semidirect |
| 26. C4×C991 | D4 | semidirect |
| 29. Dic991 | C2×C4 | semidirect |
| 35. C991 | C4×D4 | semidirect |
| 39. C22×C4 | D991 | semidirect |
| 59. C22 | C4×D991 | semidirect |
| 65. C4 | C22⋊D991 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C22⋊D991 | 2 |
| C2×C4×D991 | 2 |
| Dic991⋊C4 | 2 |
| C22⋊Dic991 | 2 |
| (C2×D991)⋊C4 | 2 |
| C4×Dic991 | 2 |
| C22×C4×C991 | 2 |
| C4×D4 | 991 |