Order 720.
66 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C4×C5 | D9 |
| commutator, hypocenter | C9 | C2×C5×C8 |
| Frattini | C3×C4 | C2×C5×D3 |
| Fitting | C2×C4×C5×C9 | C2 |
| socle, prime radical | C22×C3×C5 | Dic3 |
| cosocle | C4×C9 | C22×C5 |
| LCS | G ▷ C9 | |
| UCS | C1 ◁ C2×C4×C5 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C5×C9⋊C8 | C2 | direct (N × H) |
| 7. C2×C9⋊C8 | C5 | direct (N × H) |
| 10. C2×C5×C9 | C8 | semidirect |
| 14. C9⋊C8 | C2×C5 | direct (N × H) |
| 19. C5×C9 | C2×C8 | semidirect |
| 32. C2×C9 | C5×C8 | semidirect |
| 39. C2×C5 | C9⋊C8 | direct (N × H) |
| 41. C9 | C2×C5×C8 | semidirect |
| 46. C5 | C2×C9⋊C8 | direct (N × H) |
| 51. C2 | C5×C9⋊C8 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C4×C5×C9 | 2 |
| C5×C9⋊C8 | 2 |
| C2×C5×C3⋊C8 | 3 |
| C2×C9⋊C8 | 5 |