Order 1728.
466 conjugacy classes of subgroups.
The subgroup lattice has 254 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 4. #11720274 | C2 | semidirect |
| 5. C3⋊C8×Dic9 | C2 | semidirect |
| 9. C2×C3⋊(C9⋊C8) | C4 | semidirect |
| 15. C9×#208 | C4 | semidirect |
| 119. #208 | Dic9 | semidirect |
| 155. C3×C9 | #405 | semidirect |
| 221. C9 | #4997 | semidirect |
| 248. C3 | #10588797 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C3⋊(C9⋊C8) | 2 |
| C3×#63488 | 2 |
| C2×C9×#208 | 2 |
| #11720274 | 2 |
| C3⋊C8×Dic9 | 2 |
| #10591057 | 3 |
| #10588797 | 3 |