Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
49 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×D32 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×C64 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | #1423 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C2×D16 | — | 2 | 1 | no | — |
| 5 | D32 | — | 2 | 1 | no | — |
| 6 | D32 | C4 | 1 | 2 | yes | complemented |
| 7 | C2×C32 | C22 | 1 | 1 | yes | characteristic |
| 8 | #366 | — | 2 | 1 | no | — |
| 9 | C64 | — | 2 | 1 | no | — |
| 10 | C2×D8 | — | 4 | 1 | no | — |
| 11 | D16 | — | 2 | 2 | no | — |
| 12 | D16 | — | 4 | 1 | no | — |
| 13 | C2×C16 | D4 | 1 | 1 | yes | characteristic |
| 14 | #107 | — | 4 | 1 | no | — |
| 15 | C32 | C2×C4 | 1 | 1 | yes | characteristic |
| 16 | C32 | D4 | 1 | 1 | yes | characteristic |
| 17 | C2×D4 | — | 8 | 1 | no | — |
| 18 | D8 | — | 4 | 2 | no | — |
| 19 | D8 | — | 8 | 1 | no | — |
| 20 | C2×C8 | D8 | 1 | 1 | yes | characteristic |
| 21 | C4⋊C4 | — | 8 | 1 | no | — |
| 22 | C16 | C22⋊C4 | 1 | 1 | yes | characteristic |
| 23 | C16 | SD16 | 1 | 1 | yes | characteristic |
| 24 | C23 | — | 16 | 1 | no | — |
| 25 | D4 | — | 8 | 2 | no | — |
| 26 | D4 | — | 16 | 1 | no | — |
| 27 | C2×C4 | — | 16 | 1 | no | — |
| 28 | C2×C4 | D16 | 1 | 1 | yes | characteristic |
| 29 | C8 | #102 | 1 | 1 | yes | characteristic |
| 30 | C8 | SD32 | 1 | 1 | yes | characteristic |
| 31 | C22 | — | 16 | 2 | no | — |
| 32 | C22 | — | 32 | 1 | no | — |
| 33 | C22 | — | 32 | 1 | no | — |
| 34 | C22 | D32 | 1 | 1 | yes | characteristic |
| 35 | C4 | — | 32 | 1 | no | — |
| 36 | C4 | #357 | 1 | 1 | yes | characteristic |
| 37 | C4 | SD64 | 1 | 1 | yes | characteristic |
| 38 | C2 | — | 32 | 2 | no | — |
| 39 | C2 | #1415 | 1 | 1 | yes | characteristic |
| 40 | C2 | D64 | 1 | 1 | yes | characteristic |
| 41 | C2 | SD128 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | D32 |
| commutator | C32 | C2×C4 |
| Frattini, cosocle | C2×C32 | C22 |
| prime radical | C2×D32 | C2 |
| LCS | G ▷ C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ C2×C32 ◁ G | |
| LECS | G ▷ C2×C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C2×C64 | C2 | semidirect |
| 3. #1423 | C2 | semidirect |
| 6. D32 | C4 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×D32 | 2 |
| C2×C64 | 2 |
| #1423 | 2 |