Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
239 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×#346 | C2 | 1 | 3 | yes | maximal |
| 2 | C2×C4×C16 | C2 | 1 | 3 | yes | maximal |
| 3 | #1726 | C2 | 1 | 1 | yes | maximal, characteristic |
| 4 | C22×C16 | C22 | 1 | 3 | yes | — |
| 5 | C22×C16 | C22 | 1 | 1 | yes | characteristic |
| 6 | C2×#97 | C4 | 1 | 3 | yes | — |
| 7 | C2×C4×C8 | C22 | 1 | 3 | yes | — |
| 8 | #376 | C4 | 1 | 1 | yes | characteristic |
| 9 | #346 | C4 | 1 | 12 | yes | complemented |
| 10 | C4×C16 | C4 | 1 | 12 | yes | complemented |
| 11 | C22×C8 | C2×C4 | 1 | 3 | yes | — |
| 12 | C22×C8 | C23 | 1 | 1 | yes | characteristic |
| 13 | C2×C42 | C2×C4 | 1 | 3 | yes | — |
| 14 | C2×C16 | C2×C4 | 1 | 6 | yes | — |
| 15 | C2×C16 | C2×C4 | 1 | 6 | yes | — |
| 16 | C2×C16 | C2×C4 | 1 | 12 | yes | — |
| 17 | #97 | C8 | 1 | 12 | yes | — |
| 18 | C4×C8 | C2×C4 | 1 | 6 | yes | — |
| 19 | C4×C8 | C2×C4 | 1 | 6 | yes | — |
| 20 | #95 | C8 | 1 | 4 | yes | — |
| 21 | C22×C4 | C2×C8 | 1 | 6 | yes | — |
| 22 | C22×C4 | C22×C4 | 1 | 1 | yes | characteristic |
| 23 | C2×C8 | C42 | 1 | 6 | yes | — |
| 24 | C2×C8 | C2×C8 | 1 | 12 | yes | — |
| 25 | C2×C8 | C22×C4 | 1 | 3 | yes | — |
| 26 | C2×C8 | C22×C4 | 1 | 3 | yes | — |
| 27 | C42 | C42 | 1 | 6 | yes | — |
| 28 | C42 | C2×C8 | 1 | 6 | yes | — |
| 29 | C16 | C42 | 1 | 12 | yes | — |
| 30 | C16 | C42 | 1 | 4 | yes | — |
| 31 | C23 | C22×C8 | 1 | 1 | yes | characteristic |
| 32 | C2×C4 | — | 2 | 12 | no | — |
| 33 | C2×C4 | C4×C8 | 1 | 12 | yes | — |
| 34 | C2×C4 | C2×C42 | 1 | 3 | yes | — |
| 35 | C2×C4 | C22×C8 | 1 | 3 | yes | — |
| 36 | C8 | C4×C8 | 1 | 12 | yes | — |
| 37 | C8 | C2×C42 | 1 | 3 | yes | — |
| 38 | C8 | C2×C42 | 1 | 1 | yes | characteristic |
| 39 | C22 | C2×C4×C8 | 1 | 3 | yes | — |
| 40 | C22 | #504 | 1 | 4 | yes | — |
| 41 | C4 | — | 2 | 12 | no | — |
| 42 | C4 | C43 | 1 | 1 | yes | characteristic |
| 43 | C4 | C2×C4×C8 | 1 | 3 | yes | — |
| 44 | C2 | C42×C8 | 1 | 1 | yes | characteristic |
| 45 | C2 | #2108 | 1 | 6 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center | C22×C16 | C22 |
| commutator | C2 | C42×C8 |
| Frattini, cosocle | C22×C8 | C23 |
| socle, prime radical | C23 | C22×C8 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C16 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 9. #346 | C4 | semidirect |
| 10. C4×C16 | C4 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#346 | 2 |
| C2×C4×C16 | 2 |
| #1726 | 2 |