Order 32128.
592 conjugacy classes of subgroups.
The subgroup lattice has 152 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #30631645 | C2 | direct (N × H) |
| 4. C2×#22548625 | C2 | semidirect |
| 5. C2×C8×Dic251 | C2 | semidirect |
| 7. C22×C251⋊C8 | C4 | semidirect |
| 16. #22548625 | C22 | semidirect |
| 17. C8×Dic251 | C22 | semidirect |
| 19. C2×M16×C251 | C4 | semidirect |
| 25. C2×C251⋊C8 | C2×C4 | semidirect |
| 39. M16×C251 | C2×C4 | semidirect |
| 72. C2×C251 | #405 | semidirect |
| 75. C251 | C2×#405 | semidirect |
| 84. C2×M16 | Dic251 | semidirect |
| 106. M16 | C2×Dic251 | semidirect |
| 148. C2 | #30631645 | 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 |
| C2×#22548674 | 2 |
| #30631645 | 2 |
| C2×#22548625 | 2 |
| C2×C8×Dic251 | 2 |
| C22×M16×C251 | 2 |
| C2×#405 | 251 |