Order 1728.
374 conjugacy classes of subgroups.
The subgroup lattice has 240 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 15. C9×Dic12 | C4 | direct (N × H) |
| 37. C4×Dic12 | C9 | direct (N × H) |
| 59. C3×C4×C9 | Q16 | semidirect |
| 120. Dic12 | C4×C9 | direct (N × H) |
| 137. C4×C9 | Dic12 | direct (N × H) |
| 145. C3×C9 | C4×Q16 | semidirect |
| 197. C3×C4 | C9×Q16 | semidirect |
| 207. C9 | C4×Dic12 | direct (N × H) |
| 230. C4 | C9×Dic12 | direct (N × H) |
| 234. C3 | C4×C9×Q16 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C9×Dic12 | 2 |
| C4×C9×Dic6 | 2 |
| C3×C4×C8×C9 | 2 |
| C9×#818 | 2 |
| C9×#816 | 2 |
| C3×C4×Dic12 | 3 |
| C4×C9×Q16 | 3 |