Order 720.
66 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C2 | #67083 |
| commutator, Fitting, cosocle | C4×C5×C9 | C22 |
| Frattini | C3×C4 | D3×D5 |
| socle | C2×C3×C5 | #67 |
| hypercenter | C4 | D5×D9 |
| hypocenter | C5×C9 | D8 |
| LCS | G ▷ C4×C5×C9 ▷ C2×C5×C9 ▷ C5×C9 | |
| UCS | C1 ◁ C2 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. D180 | C2 | semidirect |
| 2. C9×D20 | C2 | semidirect |
| 3. C5×C9⋊C8 | C2 | semidirect |
| 18. C9⋊C8 | D5 | semidirect |
| 23. C5×C9 | D8 | semidirect |
| 25. D20 | D9 | semidirect |
| 50. C9 | D40 | semidirect |
| 57. C5 | #3673 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D180 | 2 |
| C9×D20 | 2 |
| C5×C9⋊C8 | 2 |
| #6653 | 3 |
| #3673 | 5 |