Order 22599.
40 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C31⋊C243 | C3 | 1 | 3 | yes | maximal, complemented |
| 2 | C3×C31×C81 | C3 | 1 | 1 | yes | maximal, characteristic |
| 3 | C3×C27×C31 | C9 | 1 | 1 | yes | characteristic |
| 4 | C31×C81 | C9 | 1 | 2 | yes | — |
| 5 | C31×C81 | C32 | 1 | 1 | yes | characteristic |
| 6 | C3×C9×C31 | C27 | 1 | 1 | yes | characteristic |
| 7 | C27×C31 | C27 | 1 | 2 | yes | — |
| 8 | C27×C31 | C3×C9 | 1 | 1 | yes | characteristic |
| 9 | C243⋊C3 | — | 31 | 1 | no | maximal, Sylow |
| 10 | C32×C31 | C81 | 1 | 1 | yes | characteristic |
| 11 | C9×C31 | C81 | 1 | 2 | yes | — |
| 12 | C9×C31 | C3×C27 | 1 | 1 | yes | characteristic |
| 13 | C3×C81 | C31⋊C3 | 1 | 1 | yes | characteristic |
| 14 | C243 | — | 31 | 3 | no | — |
| 15 | C3×C31 | — | 3 | 1 | no | — |
| 16 | C3×C31 | C3×C81 | 1 | 1 | yes | characteristic |
| 17 | C3×C27 | C31⋊C9 | 1 | 1 | yes | characteristic |
| 18 | C81 | C31⋊C9 | 1 | 2 | yes | — |
| 19 | C81 | C3×C31⋊C3 | 1 | 1 | yes | characteristic |
| 20 | C31 | C243⋊C3 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 21 | C3×C9 | C31⋊C27 | 1 | 1 | yes | characteristic |
| 22 | C27 | C31⋊C27 | 1 | 2 | yes | — |
| 23 | C27 | C3×C31⋊C9 | 1 | 1 | yes | characteristic |
| 24 | C32 | C31⋊C81 | 1 | 1 | yes | characteristic |
| 25 | C9 | C31⋊C81 | 1 | 2 | yes | — |
| 26 | C9 | C3×C31⋊C27 | 1 | 1 | yes | characteristic |
| 27 | C3 | — | 3 | 1 | no | — |
| 28 | C3 | C3×C31⋊C81 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C31⋊C243 | C3 | semidirect |
| 20. C31 | C243⋊C3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C31⋊C243 | 3 |
| C3×C31×C81 | 3 |
| C243⋊C3 | 31 |