Order 720.
66 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2 | D9×AGL(1,𝔽5) |
| commutator, hypocenter | C5×C9 | C2×C8 |
| Frattini | C2×C3 | D3×AGL(1,𝔽5) |
| Fitting | C2×C5×C9 | C2×C4 |
| socle | C2×C3×C5 | C4×D3 |
| prime radical | C2×D45 | C4 |
| cosocle | C9×Dic5 | C22 |
| LCS | G ▷ C5×C9 | |
| UCS | C1 ◁ C2 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C9⋊#170 | C2 | semidirect |
| 3. C9×#170 | C2 | semidirect |
| 13. D45 | C8 | semidirect |
| 22. C5×C9 | C2×C8 | semidirect |
| 25. #170 | D9 | semidirect |
| 46. C9 | D5⋊C8 | semidirect |
| 52. C5 | C8×D9 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #67079 | 2 |
| C9⋊#170 | 2 |
| C9×#170 | 2 |
| #6738 | 3 |
| C8×D9 | 5 |