Order 22784.
2702 conjugacy classes of subgroups.
The subgroup lattice has 408 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #26025622 | C2 | direct (N × H) |
| 38. C22×Dic178 | Q8 | semidirect |
| 63. C22×Q8×C89 | Q8 | semidirect |
| 82. C2×Dic178 | C2×Q8 | semidirect |
| 106. C2×Q8×C89 | C2×Q8 | semidirect |
| 196. C2×C89 | #2582 | semidirect |
| 213. C89 | C2×#2582 | semidirect |
| 246. C22×Q8 | Dic178 | semidirect |
| 291. C2×Q8 | C2×Dic178 | semidirect |
| 399. C2 | #26025622 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C4×Dic178 | 2 |
| #26025622 | 2 |
| C2×#19151531 | 2 |
| C2×#19151505 | 2 |
| C2×#19151504 | 2 |
| C2×#19151496 | 2 |
| C2×#19151494 | 2 |
| C2×#19151468 | 2 |
| C22×C4×Q8×C89 | 2 |
| C2×#2582 | 89 |