Order 272.
30 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×#595 | C2 | 1 | 2 | yes | maximal |
| 2 | C4×D17 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C2×D17 | C22 | 1 | 1 | yes | characteristic |
| 4 | #595 | C4 | 1 | 4 | yes | direct product factor |
| 5 | C4×C17 | C4 | 1 | 1 | yes | characteristic, complemented |
| 6 | Dic17 | C4 | 1 | 1 | yes | characteristic, complemented |
| 7 | C2×C17 | C2×C4 | 1 | 1 | yes | characteristic |
| 8 | D17 | C2×C4 | 1 | 2 | yes | — |
| 9 | C17 | C42 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 10 | C42 | — | 17 | 1 | no | maximal, Sylow |
| 11 | C2×C4 | — | 17 | 2 | no | — |
| 12 | C2×C4 | — | 17 | 1 | no | — |
| 13 | C22 | — | 17 | 1 | no | — |
| 14 | C4 | — | 17 | 4 | no | — |
| 15 | C4 | — | 17 | 1 | no | — |
| 16 | C4 | #595 | 1 | 1 | yes | characteristic, direct product factor |
| 17 | C2 | — | 17 | 2 | no | — |
| 18 | C2 | C2×#595 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C4 | #595 |
| commutator, hypocenter | C17 | C42 |
| Frattini | C2 | C2×#595 |
| Fitting | C4×C17 | C4 |
| socle | C2×C17 | C2×C4 |
| prime radical, cosocle | C2×D17 | C22 |
| LCS | G ▷ C17 | |
| UCS | C1 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 4. #595 | C4 | direct (N × H) |
| 5. C4×C17 | C4 | semidirect |
| 6. Dic17 | C4 | semidirect |
| 9. C17 | C42 | semidirect |
| 16. C4 | #595 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#595 | 2 |
| C4×D17 | 2 |
| C42 | 17 |