Order 1944.
53 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #11757369 | C2 | 1 | 3 | yes | maximal |
| 2 | #92197 | C22 | 1 | 1 | yes | characteristic |
| 3 | #6855 | Q8 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 4 | C3×PSU(3,𝔽2) | — | 9 | 1 | no | maximal |
| 5 | C3×C3⋊D9 | — | 12 | 1 | no | — |
| 6 | C3×#157 | — | 9 | 3 | no | — |
| 7 | C32×C9 | — | 4 | 1 | no | — |
| 8 | PSU(3,𝔽2) | — | 9 | 1 | no | — |
| 9 | C3×C3⋊D3 | — | 9 | 1 | no | — |
| 10 | C3⋊D9 | — | 12 | 1 | no | — |
| 11 | C3×D9 | — | 36 | 3 | no | — |
| 12 | #157 | — | 9 | 3 | no | — |
| 13 | C33 | PSU(3,𝔽2) | 1 | 1 | yes | characteristic |
| 14 | C3×C9 | — | 4 | 3 | no | — |
| 15 | C3×C9 | — | 12 | 1 | no | — |
| 16 | C3×C9 | — | 24 | 1 | no | — |
| 17 | C3×Q8 | — | 81 | 1 | no | — |
| 18 | C3⋊D3 | — | 9 | 1 | no | — |
| 19 | C3×D3 | — | 108 | 1 | no | — |
| 20 | D9 | — | 36 | 3 | no | — |
| 21 | C3×C4 | — | 81 | 3 | no | — |
| 22 | C32 | — | 4 | 1 | no | — |
| 23 | C32 | — | 8 | 1 | no | — |
| 24 | C32 | SU(3,𝔽2) | 1 | 1 | yes | characteristic |
| 25 | C9 | — | 12 | 3 | no | — |
| 26 | Q8 | — | 81 | 1 | no | Sylow |
| 27 | C2×C3 | — | 81 | 1 | no | — |
| 28 | D3 | — | 108 | 1 | no | — |
| 29 | C4 | — | 81 | 3 | no | — |
| 30 | C3 | — | 4 | 1 | no | — |
| 31 | C3 | — | 8 | 1 | no | — |
| 32 | C3 | #10619734 | 1 | 1 | yes | characteristic |
| 33 | C2 | — | 81 | 1 | no | — |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3 | #10619734 |
| commutator, prime radical, cosocle | #92197 | C22 |
| Frattini, socle | C33 | PSU(3,𝔽2) |
| Fitting, hypocenter | #6855 | Q8 |
| LCS | G ▷ #92197 ▷ #6855 | |
| UCS | C1 ◁ C3 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #6855 | Q8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #11757369 | 2 |
| C3×PSU(3,𝔽2) | 9 |