Order 576.
63 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 8. C9⋊C16 | C4 | semidirect |
| 44. C9 | #365 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C9×#106 | 2 |
| #63372 | 2 |
| #63371 | 2 |
| #4487 | 3 |