Order 1728.
362 conjugacy classes of subgroups.
The subgroup lattice has 266 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 41. #4849 | C9 | direct (N × H) |
| 66. C3×C4×C9 | Q16 | semidirect |
| 153. C4×C9 | Dic12 | semidirect |
| 161. C3×C9 | #462 | semidirect |
| 219. C3×C4 | C9×Q16 | semidirect |
| 230. C9 | #4849 | direct (N × H) |
| 256. C4 | C9×Dic12 | semidirect |
| 260. C3 | C9×#462 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C9×Dic12 | 2 |
| C9×#869 | 2 |
| C4×C9×Dic6 | 2 |
| C3×C9×C4⋊C8 | 2 |
| C9×#816 | 2 |
| C3×#4849 | 3 |
| C9×#462 | 3 |