Order 32128.
488 conjugacy classes of subgroups.
The subgroup lattice has 214 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #30631448 | C2 | direct (N × H) |
| 8. #22548674 | C4 | semidirect |
| 10. C2×C4⋊Dic251 | C4 | semidirect |
| 15. C2×C4×Dic251 | C4 | semidirect |
| 20. C2×M16×C251 | C4 | semidirect |
| 28. C4⋊Dic251 | C2×C4 | semidirect |
| 35. C4×Dic251 | C2×C4 | semidirect |
| 49. M16×C251 | C2×C4 | semidirect |
| 103. C2×C251 | #339 | semidirect |
| 106. C251 | C2×#339 | semidirect |
| 116. C2×M16 | Dic251 | semidirect |
| 147. M16 | C2×Dic251 | semidirect |
| 210. C2 | #30631448 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#22548674 | 2 |
| C22×C4×Dic251 | 2 |
| #30631448 | 2 |
| C22×M16×C251 | 2 |
| C2×#339 | 251 |