Order 15968.
108 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C22×D499 |
| commutator, socle, cosocle | C22×C499 | C23 |
| Fitting | C2×D4×C499 | C2 |
| hypercenter | C2×D4 | D499 |
| hypocenter | C499 | #127 |
| LCS | G ▷ C22×C499 ▷ C499 | |
| UCS | C1 ◁ C22 ◁ C2×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×D1996 | C2 | semidirect |
| 2. C2×C22⋊D499 | C2 | semidirect |
| 3. C4×Dic499 | C2 | semidirect |
| 4. C2×D4×C499 | C2 | semidirect |
| 17. C4×C499 | D4 | semidirect |
| 18. Dic499 | D4 | semidirect |
| 23. C499 | #127 | semidirect |
| 27. C2×D4 | D499 | semidirect |
| 42. C4 | C22⋊D499 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×D1996 | 2 |
| C2×C22⋊D499 | 2 |
| C4×Dic499 | 2 |
| C2×D4×C499 | 2 |
| #127 | 499 |