Order 1728.
1002 conjugacy classes of subgroups.
The subgroup lattice has 312 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 6. #11720911 | C2 | direct (N × H) |
| 14. C2×C9×Dic6 | C4 | semidirect |
| 37. C2×C3⋊Dic9 | Q8 | semidirect |
| 44. C9×Dic6 | C2×C4 | semidirect |
| 79. C3⋊Dic9 | C2×Q8 | semidirect |
| 127. C2×C3×C9 | C4×Q8 | semidirect |
| 146. C2×Dic6 | Dic9 | semidirect |
| 188. C3×C9 | C2×C4×Q8 | semidirect |
| 219. Dic6 | C2×Dic9 | semidirect |
| 228. C2×C9 | #887 | semidirect |
| 270. C9 | C2×#887 | semidirect |
| 287. C2×C3 | Q8×Dic9 | semidirect |
| 305. C3 | C2×Q8×Dic9 | semidirect |
| 307. C2 | #11720911 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C9×Dic6 | 2 |
| C2×C4×C3⋊Dic9 | 2 |
| C2×C3×C4⋊Dic9 | 2 |
| C2×Dic3⋊Dic9 | 2 |
| C2×Dic3×Dic9 | 2 |
| #11720911 | 2 |
| C2×#63843 | 3 |
| C2×Q8×Dic9 | 3 |