Order 1701.
32 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C3×C7×C27 | C3 | 1 | 1 | yes | maximal, characteristic |
| 2 | C7⋊C81 | C3 | 1 | 3 | yes | maximal, complemented |
| 3 | C81⋊C3 | — | 7 | 1 | no | maximal, Sylow |
| 4 | C3×C7×C9 | C9 | 1 | 1 | yes | characteristic |
| 5 | C7×C27 | C9 | 1 | 2 | yes | — |
| 6 | C7×C27 | C32 | 1 | 1 | yes | characteristic |
| 7 | C3×C27 | ΓL(1,𝔽8) | 1 | 1 | yes | characteristic |
| 8 | C81 | — | 7 | 3 | no | — |
| 9 | C32×C7 | C27 | 1 | 1 | yes | characteristic |
| 10 | C7×C9 | C27 | 1 | 2 | yes | — |
| 11 | C7×C9 | C3×C9 | 1 | 1 | yes | characteristic |
| 12 | C3×C9 | C7⋊C9 | 1 | 1 | yes | characteristic |
| 13 | C27 | C7⋊C9 | 1 | 2 | yes | — |
| 14 | C27 | C3×ΓL(1,𝔽8) | 1 | 1 | yes | characteristic |
| 15 | C3×C7 | — | 3 | 1 | no | — |
| 16 | C3×C7 | C3×C27 | 1 | 1 | yes | characteristic |
| 17 | C32 | C7⋊C27 | 1 | 1 | yes | characteristic |
| 18 | C9 | C7⋊C27 | 1 | 2 | yes | — |
| 19 | C9 | C3×C7⋊C9 | 1 | 1 | yes | characteristic |
| 20 | C7 | C81⋊C3 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 21 | C3 | — | 3 | 1 | no | — |
| 22 | C3 | C3×C7⋊C27 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C7⋊C81 | C3 | semidirect |
| 20. C7 | C81⋊C3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C7×C27 | 3 |
| C7⋊C81 | 3 |
| C81⋊C3 | 7 |