Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
297 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #2091 | C2 | 1 | 4 | yes | maximal, complemented |
| 2 | #2070 | C2 | 1 | 4 | yes | maximal, complemented |
| 3 | #2069 | C2 | 1 | 4 | yes | maximal, complemented |
| 4 | #1785 | C2 | 1 | 3 | yes | maximal |
| 5 | C22×#41 | C22 | 1 | 1 | yes | characteristic |
| 6 | #430 | C22 | 1 | 12 | yes | — |
| 7 | C2×#101 | C22 | 1 | 6 | yes | — |
| 8 | C2×#100 | C22 | 1 | 6 | yes | — |
| 9 | #407 | C22 | 1 | 6 | yes | — |
| 10 | #338 | C22 | 1 | 4 | yes | — |
| 11 | C2×#41 | — | 4 | 6 | no | — |
| 12 | C22×Q8 | C23 | 1 | 1 | yes | characteristic |
| 13 | C22×D4 | Q8 | 1 | 2 | yes | — |
| 14 | C22×D4 | C23 | 1 | 1 | yes | characteristic |
| 15 | C23×C4 | Q8 | 1 | 2 | yes | — |
| 16 | C23×C4 | C23 | 1 | 1 | yes | characteristic |
| 17 | C2×M16 | C23 | 1 | 12 | yes | — |
| 18 | #108 | — | 4 | 12 | no | — |
| 19 | #101 | — | 4 | 6 | no | — |
| 20 | #100 | — | 4 | 6 | no | — |
| 21 | C22⋊C8 | — | 4 | 6 | no | — |
| 22 | C24 | C2×Q8 | 1 | 2 | yes | — |
| 23 | C24 | C2×Q8 | 1 | 1 | yes | characteristic |
| 24 | #41 | — | 4 | 16 | no | — |
| 25 | C2×Q8 | — | 2 | 6 | no | — |
| 26 | C2×D4 | — | 2 | 6 | no | — |
| 27 | C2×D4 | — | 4 | 6 | no | — |
| 28 | C22×C4 | — | 2 | 6 | no | — |
| 29 | C22×C4 | — | 4 | 6 | no | — |
| 30 | C22×C4 | C2×Q8 | 1 | 1 | yes | characteristic |
| 31 | C22×C4 | C2×Q8 | 1 | 2 | yes | — |
| 32 | C22×C4 | C24 | 1 | 1 | yes | characteristic |
| 33 | M16 | — | 2 | 12 | no | — |
| 34 | M16 | — | 2 | 12 | no | — |
| 35 | C2×C8 | — | 2 | 12 | no | — |
| 36 | C23 | — | 2 | 3 | no | — |
| 37 | C23 | — | 2 | 6 | no | — |
| 38 | C23 | — | 8 | 1 | no | — |
| 39 | C23 | — | 8 | 2 | no | — |
| 40 | C23 | C22×Q8 | 1 | 1 | yes | characteristic |
| 41 | Q8 | — | 4 | 4 | no | — |
| 42 | D4 | — | 4 | 8 | no | — |
| 43 | D4 | — | 4 | 4 | no | — |
| 44 | C2×C4 | — | 2 | 3 | no | — |
| 45 | C2×C4 | — | 2 | 6 | no | — |
| 46 | C2×C4 | — | 4 | 8 | no | — |
| 47 | C2×C4 | — | 4 | 4 | no | — |
| 48 | C2×C4 | H(5,𝔽2) | 1 | 6 | yes | — |
| 49 | C8 | — | 4 | 12 | no | — |
| 50 | C22 | — | 4 | 1 | no | — |
| 51 | C22 | — | 4 | 6 | no | — |
| 52 | C22 | — | 4 | 1 | no | — |
| 53 | C22 | — | 4 | 2 | no | — |
| 54 | C22 | — | 8 | 6 | no | — |
| 55 | C22 | #543 | 1 | 3 | yes | — |
| 56 | C4 | — | 4 | 1 | no | — |
| 57 | C4 | — | 4 | 2 | no | — |
| 58 | C4 | #560 | 1 | 4 | yes | — |
| 59 | C2 | — | 2 | 3 | no | — |
| 60 | C2 | — | 8 | 1 | no | — |
| 61 | C2 | — | 8 | 2 | no | — |
| 62 | C2 | #2842 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | #2842 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #2091 | C2 | semidirect |
| 2. #2070 | C2 | semidirect |
| 3. #2069 | C2 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #2091 | 2 |
| #2070 | 2 |
| #2069 | 2 |
| #1785 | 2 |