Order 31712.
62 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C2 | D4×D991 |
| commutator, cosocle | C4×C991 | C23 |
| Frattini | C4 | C22×D991 |
| Fitting | D8×C991 | C2 |
| socle | C2×C991 | C2×D4 |
| hypercenter | D8 | D991 |
| hypocenter | C991 | #135 |
| LCS | G ▷ C4×C991 ▷ C2×C991 ▷ C991 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ D8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #30629391 | C2 | semidirect |
| 2. Dic3964 | C2 | semidirect |
| 3. #30629380 | C2 | semidirect |
| 4. C8×D991 | C2 | semidirect |
| 5. D8×C991 | C2 | semidirect |
| 21. C991 | #135 | semidirect |
| 26. D8 | D991 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #30629391 | 2 |
| Dic3964 | 2 |
| #30629380 | 2 |
| C8×D991 | 2 |
| D8×C991 | 2 |
| #135 | 991 |