Order 1728.
394 conjugacy classes of subgroups.
The subgroup lattice has 282 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 41. #5031 | C9 | direct (N × H) |
| 71. C3×C4×C9 | Q16 | semidirect |
| 164. C4×C9 | #216 | semidirect |
| 172. C3×C9 | #462 | semidirect |
| 237. C3×C4 | C9×Q16 | semidirect |
| 246. C9 | #5031 | direct (N × H) |
| 272. C4 | C9×#216 | semidirect |
| 276. C3 | C9×#462 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C4×Q8×C9 | 2 |
| C2×C9×#216 | 2 |
| C9×#869 | 2 |
| C9×#810 | 2 |
| C9×C4⋊(C3⋊C8) | 2 |
| C3×#5031 | 3 |
| C9×#462 | 3 |