Order 1728.
438 conjugacy classes of subgroups.
The subgroup lattice has 300 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. C9×C4⋊(C3⋊C8) | C2 | semidirect |
| 4. C9×#803 | C2 | semidirect |
| 36. #4926 | C9 | direct (N × H) |
| 77. C4⋊(C3⋊C8) | C2×C9 | semidirect |
| 78. #803 | C2×C9 | semidirect |
| 173. C3×C9 | #432 | semidirect |
| 258. C9 | #4926 | direct (N × H) |
| 293. C3 | C9×#432 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C3×C42×C9 | 2 |
| C9×#830 | 2 |
| C9×C4⋊(C3⋊C8) | 2 |
| C9×#803 | 2 |
| C3×#4926 | 3 |
| C9×#432 | 3 |