Order 32128.
528 conjugacy classes of subgroups.
The subgroup lattice has 182 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #30631441 | C2 | direct (N × H) |
| 8. C22×C251⋊C8 | C4 | semidirect |
| 17. C22×C8×C251 | C4 | semidirect |
| 21. C22×Dic251 | C8 | semidirect |
| 26. C2×C251⋊C8 | C2×C4 | semidirect |
| 42. C2×C8×C251 | C2×C4 | semidirect |
| 46. C2×Dic251 | C2×C8 | semidirect |
| 84. C2×C251 | #336 | semidirect |
| 90. C251 | C2×#336 | semidirect |
| 104. C22×C8 | Dic251 | semidirect |
| 130. C2×C8 | C2×Dic251 | semidirect |
| 175. C2 | #30631441 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C23×C251⋊C8 | 2 |
| C22×C4×Dic251 | 2 |
| #30631441 | 2 |
| C23×C8×C251 | 2 |
| C2×#336 | 251 |