Order 1800.
30 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #1043⋊C9 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C3×#6053 | C3 | 1 | 1 | yes | maximal, characteristic |
| 3 | (C5⋊D5)⋊C9 | C4 | 1 | 1 | yes | characteristic |
| 4 | C3×#1043 | C2×C3 | 1 | 1 | yes | characteristic |
| 5 | C52⋊C9 | C8 | 1 | 1 | yes | characteristic, complemented, Hall |
| 6 | #6053 | C9 | 1 | 1 | yes | characteristic, complemented, Hall |
| 7 | C3×C5⋊D5 | C3×C4 | 1 | 1 | yes | characteristic |
| 8 | #1043 | C2×C9 | 1 | 1 | yes | characteristic |
| 9 | C3×C52 | C3×C8 | 1 | 1 | yes | characteristic |
| 10 | C8×C9 | — | 25 | 1 | no | maximal, Hall |
| 11 | C3×AGL(1,𝔽5) | — | 30 | 1 | no | — |
| 12 | C5⋊D5 | C4×C9 | 1 | 1 | yes | characteristic |
| 13 | C4×C9 | — | 25 | 1 | no | — |
| 14 | C3×D5 | — | 30 | 1 | no | — |
| 15 | C52 | C8×C9 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 16 | C3×C8 | — | 25 | 1 | no | — |
| 17 | AGL(1,𝔽5) | — | 30 | 1 | no | — |
| 18 | C2×C9 | — | 25 | 1 | no | — |
| 19 | C3×C5 | — | 6 | 1 | no | — |
| 20 | C3×C4 | — | 25 | 1 | no | — |
| 21 | D5 | — | 30 | 1 | no | — |
| 22 | C9 | — | 25 | 1 | no | Sylow |
| 23 | C8 | — | 25 | 1 | no | Sylow |
| 24 | C2×C3 | — | 25 | 1 | no | — |
| 25 | C5 | — | 6 | 1 | no | — |
| 26 | C4 | — | 25 | 1 | no | — |
| 27 | C3 | AGL(1,𝔽25) | 1 | 1 | yes | characteristic |
| 28 | C2 | — | 25 | 1 | no | — |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C3 | AGL(1,𝔽25) |
| commutator, hypocenter | C52 | C8×C9 |
| Fitting, socle | C3×C52 | C3×C8 |
| prime radical | C3×C5⋊D5 | C3×C4 |
| cosocle | C3×#1043 | C2×C3 |
| LCS | G ▷ C52 | |
| UCS | C1 ◁ C3 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 5. C52⋊C9 | C8 | semidirect |
| 6. #6053 | C9 | semidirect |
| 15. C52 | C8×C9 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #1043⋊C9 | 2 |
| C3×#6053 | 3 |
| C8×C9 | 25 |