Order 22784.
3654 conjugacy classes of subgroups.
The subgroup lattice has 204 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #26022615 | C2 | direct (N × H) |
| 8. C2×C4×Dic178 | C4 | semidirect |
| 26. C4×Dic178 | C2×C4 | semidirect |
| 43. C2×Dic178 | C42 | semidirect |
| 85. Dic178 | C2×C42 | semidirect |
| 98. C2×C89 | #2276 | semidirect |
| 108. C89 | C2×#2276 | semidirect |
| 199. C2 | #26022615 | 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 |
| #26022615 | 2 |
| C2×C4×C4⋊Dic89 | 2 |
| C2×#19151449 | 2 |
| C2×#19151443 | 2 |
| C2×#376×C89 | 2 |
| C2×#2276 | 89 |