Order 32128.
728 conjugacy classes of subgroups; only the 135 normal subgroups are shown.
This group has 728 conjugacy classes of subgroups — too many to draw. Only its 135 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. 2−1+4×D251 | C2 | semidirect |
| 2. AGL(1,ℤ/8)×D251 | C2 | semidirect |
| 3. #124×D251 | C2 | semidirect |
| 4. #30631862 | C2 | semidirect |
| 5. #30631861 | C2 | semidirect |
| 6. #30631860 | C2 | semidirect |
| 7. #30631859 | C2 | semidirect |
| 8. #30631858 | C2 | semidirect |
| 9. #104×D251 | C2 | semidirect |
| 10. #101×D251 | C2 | semidirect |
| 11. #454×C251 | C2 | semidirect |
| 13. #22548763 | C22 | semidirect |
| 16. #22548762 | C22 | semidirect |
| 23. #22548743 | C22 | semidirect |
| 25. #22548741 | C22 | semidirect |
| 26. #22548740 | C22 | semidirect |
| 31. #22548704 | C22 | semidirect |
| 32. #22548703 | C22 | semidirect |
| 33. #22548702 | C22 | semidirect |
| 37. #22548643 | C22 | semidirect |
| 38. #22548642 | C22 | semidirect |
| 39. #22548641 | C22 | semidirect |
| 40. #22548634 | C22 | semidirect |
| 41. #22548633 | C22 | semidirect |
| 42. 2−1+4×C251 | C22 | semidirect |
| 43. AGL(1,ℤ/8)×C251 | C22 | semidirect |
| 44. #124×C251 | C22 | semidirect |
| 45. #104×C251 | C22 | semidirect |
| 46. #101×C251 | C22 | semidirect |
| 190. D251 | #454 | direct (N × H) |
| 191. C251 | C2×#454 | semidirect |
| 201. #454 | D251 | direct (N × H) |
| 209. 2−1+4 | C2×D251 | semidirect |
| 221. AGL(1,ℤ/8) | C2×D251 | semidirect |
| 229. #124 | C2×D251 | semidirect |
| 235. #104 | C2×D251 | semidirect |
| 238. #101 | C2×D251 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| 2−1+4×D251 | 2 |
| AGL(1,ℤ/8)×D251 | 2 |
| #124×D251 | 2 |
| #30631862 | 2 |
| #30631861 | 2 |
| #30631860 | 2 |
| #30631859 | 2 |
| #30631858 | 2 |
| #104×D251 | 2 |
| #101×D251 | 2 |
| #454×C251 | 2 |
| C2×#454 | 251 |