Order 288.
42 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C8×D9 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C9×C16 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C9⋊C16 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | D3×C16 | — | 3 | 1 | no | maximal |
| 5 | C4×D9 | C4 | 1 | 1 | yes | characteristic |
| 6 | C8×C9 | C22 | 1 | 1 | yes | characteristic |
| 7 | C9⋊C8 | C4 | 1 | 1 | yes | characteristic |
| 8 | D3×C8 | — | 3 | 1 | no | — |
| 9 | C3×C16 | D3 | 1 | 1 | yes | characteristic |
| 10 | C3⋊C16 | — | 3 | 1 | no | — |
| 11 | C2×D9 | C8 | 1 | 1 | yes | characteristic |
| 12 | C4×C9 | C2×C4 | 1 | 1 | yes | characteristic |
| 13 | Dic9 | C8 | 1 | 1 | yes | characteristic |
| 14 | C2×C16 | — | 9 | 1 | no | Sylow |
| 15 | C4×D3 | — | 3 | 1 | no | — |
| 16 | C3×C8 | C2×D3 | 1 | 1 | yes | characteristic |
| 17 | C3⋊C8 | — | 3 | 1 | no | — |
| 18 | C2×C9 | C2×C8 | 1 | 1 | yes | characteristic |
| 19 | D9 | C16 | 1 | 2 | yes | direct product factor |
| 20 | C2×C8 | — | 9 | 1 | no | — |
| 21 | C16 | — | 9 | 1 | no | — |
| 22 | C16 | D9 | 1 | 1 | yes | characteristic, direct product factor |
| 23 | C2×D3 | — | 3 | 1 | no | — |
| 24 | C3×C4 | C4×D3 | 1 | 1 | yes | characteristic |
| 25 | Dic3 | — | 3 | 1 | no | — |
| 26 | C9 | C2×C16 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 27 | C2×C4 | — | 9 | 1 | no | — |
| 28 | C8 | — | 9 | 1 | no | — |
| 29 | C8 | C2×D9 | 1 | 1 | yes | characteristic |
| 30 | C2×C3 | D3×C8 | 1 | 1 | yes | characteristic |
| 31 | D3 | — | 3 | 2 | no | — |
| 32 | C22 | — | 9 | 1 | no | — |
| 33 | C4 | — | 9 | 1 | no | — |
| 34 | C4 | C4×D9 | 1 | 1 | yes | characteristic |
| 35 | C3 | D3×C16 | 1 | 1 | yes | characteristic |
| 36 | C2 | — | 9 | 2 | no | — |
| 37 | C2 | C8×D9 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C16 | D9 |
| commutator, hypocenter | C9 | C2×C16 |
| Frattini | C3×C8 | C2×D3 |
| Fitting | C9×C16 | C2 |
| socle | C2×C3 | D3×C8 |
| prime radical | C2×D9 | C8 |
| cosocle | C8×C9 | C22 |
| LCS | G ▷ C9 | |
| UCS | C1 ◁ C16 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C9×C16 | C2 | semidirect |
| 3. C9⋊C16 | C2 | semidirect |
| 19. D9 | C16 | direct (N × H) |
| 22. C16 | D9 | direct (N × H) |
| 26. C9 | C2×C16 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C8×D9 | 2 |
| C9×C16 | 2 |
| C9⋊C16 | 2 |
| D3×C16 | 3 |