Order 396.
30 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | D99 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | C9×D11 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C11×D9 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | D3×D11 | — | 3 | 1 | no | maximal |
| 5 | C9×C11 | C22 | 1 | 1 | yes | characteristic, complemented, Hall |
| 6 | D33 | — | 3 | 1 | no | — |
| 7 | C3×D11 | D3 | 1 | 1 | yes | characteristic |
| 8 | D3×C11 | — | 3 | 1 | no | — |
| 9 | C2×D11 | — | 9 | 1 | no | Hall |
| 10 | C2×D9 | — | 11 | 1 | no | maximal, Hall |
| 11 | C3×C11 | C2×D3 | 1 | 1 | yes | characteristic |
| 12 | C2×C11 | — | 9 | 1 | no | — |
| 13 | D11 | — | 9 | 1 | no | — |
| 14 | D11 | D9 | 1 | 1 | yes | characteristic, direct product factor |
| 15 | C2×C9 | — | 11 | 1 | no | — |
| 16 | D9 | — | 11 | 1 | no | — |
| 17 | D9 | D11 | 1 | 1 | yes | characteristic, direct product factor |
| 18 | C2×D3 | — | 33 | 1 | no | — |
| 19 | C11 | C2×D9 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 20 | C9 | C2×D11 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 21 | C2×C3 | — | 11 | 1 | no | — |
| 22 | D3 | — | 3 | 1 | no | — |
| 23 | D3 | — | 33 | 1 | no | — |
| 24 | C22 | — | 99 | 1 | no | Sylow |
| 25 | C3 | D3×D11 | 1 | 1 | yes | characteristic |
| 26 | C2 | — | 9 | 1 | no | — |
| 27 | C2 | — | 11 | 1 | no | — |
| 28 | C2 | — | 99 | 1 | no | — |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, Fitting, cosocle, hypocenter | C9×C11 | C22 |
| Frattini | C3 | D3×D11 |
| socle | C3×C11 | C2×D3 |
| LCS | G ▷ C9×C11 | |
| UCS | C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. D99 | C2 | semidirect |
| 2. C9×D11 | C2 | semidirect |
| 3. C11×D9 | C2 | semidirect |
| 5. C9×C11 | C22 | semidirect |
| 14. D11 | D9 | direct (N × H) |
| 17. D9 | D11 | direct (N × H) |
| 19. C11 | C2×D9 | semidirect |
| 20. C9 | C2×D11 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D99 | 2 |
| C9×D11 | 2 |
| C11×D9 | 2 |
| D3×D11 | 3 |
| C2×D9 | 11 |