Order 32128.
248 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #30631409 | C2 | semidirect |
| 4. #30631408 | C2 | semidirect |
| 5. #322×C251 | C2 | semidirect |
| 20. C8×D251 | C8 | semidirect |
| 32. C251⋊C8 | C2×C8 | semidirect |
| 36. C8×C251 | C2×C8 | semidirect |
| 46. D251 | #322 | direct (N × H) |
| 47. C251 | C2×#322 | semidirect |
| 53. #322 | D251 | direct (N × H) |
| 84. C8 | C8×D251 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C4×C8×D251 | 2 |
| #30631409 | 2 |
| #30631408 | 2 |
| #322×C251 | 2 |
| C2×#322 | 251 |