Order 1728.
986 conjugacy classes of subgroups.
The subgroup lattice has 304 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 6. Dic3×Dic18 | C2 | direct (N × H) |
| 14. C2×C3×Dic18 | C4 | semidirect |
| 39. C2×C9×Dic3 | Q8 | semidirect |
| 44. C3×Dic18 | C2×C4 | semidirect |
| 65. C2×Dic18 | Dic3 | direct (N × H) |
| 79. C9×Dic3 | C2×Q8 | semidirect |
| 122. Dic18 | C2×Dic3 | direct (N × H) |
| 124. C2×C3×C9 | C4×Q8 | semidirect |
| 183. C3×C9 | C2×C4×Q8 | semidirect |
| 209. C2×Dic3 | Dic18 | direct (N × H) |
| 221. C2×C9 | Q8×Dic3 | semidirect |
| 259. Dic3 | C2×Dic18 | direct (N × H) |
| 262. C9 | C2×Q8×Dic3 | semidirect |
| 279. C2×C3 | C4×Dic18 | semidirect |
| 297. C3 | C2×C4×Dic18 | semidirect |
| 299. C2 | Dic3×Dic18 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C3×Dic18 | 2 |
| C2×C4⋊(C3⋊Dic9) | 2 |
| C2×C4×C9×Dic3 | 2 |
| C2×Dic9⋊Dic3 | 2 |
| C2×Dic3×Dic9 | 2 |
| Dic3×Dic18 | 2 |
| C2×Dic3×Dic6 | 3 |
| C2×C4×Dic18 | 3 |