Order 1728.
790 conjugacy classes of subgroups.
The subgroup lattice has 252 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #11721815 | C2 | semidirect |
| 3. #11720577 | C2 | semidirect |
| 8. C2×C3×Q8×C9 | C4 | semidirect |
| 9. C2×C3×D4×C9 | C4 | semidirect |
| 11. C22×C3×C4×C9 | C4 | semidirect |
| 49. C2×Q8×C9 | Dic3 | semidirect |
| 50. C2×D4×C9 | Dic3 | semidirect |
| 52. C22×C4×C9 | Dic3 | semidirect |
| 108. C2×C3×Q8 | Dic9 | semidirect |
| 110. C2×C3×D4 | Dic9 | semidirect |
| 114. C22×C3×C4 | Dic9 | semidirect |
| 147. C3×C9 | #410 | semidirect |
| 184. C2×Q8 | C3⋊Dic9 | semidirect |
| 185. C2×D4 | C3⋊Dic9 | semidirect |
| 187. C22×C4 | C3⋊Dic9 | semidirect |
| 213. C9 | #5240 | semidirect |
| 245. C3 | #10588920 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C3×C9×#41 | 2 |
| #11721815 | 2 |
| #11720577 | 2 |
| #10592939 | 3 |
| #10588920 | 3 |