Order 1728.
1026 conjugacy classes of subgroups.
The subgroup lattice has 268 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 5. #11720924 | C2 | direct (N × H) |
| 37. C2×C3×Dic9 | Q8 | semidirect |
| 72. C3×Dic9 | C2×Q8 | semidirect |
| 108. C2×Dic9 | Dic6 | semidirect |
| 113. C2×C3×C9 | C4⋊Q8 | semidirect |
| 158. Dic9 | C2×Dic6 | semidirect |
| 164. C3×C9 | C2×C4⋊Q8 | semidirect |
| 199. C2×C9 | #869 | semidirect |
| 233. C9 | C2×#869 | semidirect |
| 248. C2×C3 | #63506 | semidirect |
| 262. C3 | C2×#63506 | semidirect |
| 264. C2 | #11720924 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×#6226 | 2 |
| C22×C9×Dic6 | 2 |
| C2×C3×C4×Dic9 | 2 |
| C2×Dic9⋊Dic3 | 2 |
| #11720924 | 2 |
| C2×#63866 | 3 |
| C2×#63506 | 3 |