Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
1483 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×#392 | C2 | 1 | 10 | yes | maximal, complemented |
| 2 | #1440 | C2 | 1 | 5 | yes | maximal, complemented |
| 3 | C23×D4 | C22 | 1 | 10 | yes | — |
| 4 | C22×C22⋊C4 | C22 | 1 | 10 | yes | — |
| 5 | C22×C22⋊C4 | C22 | 1 | 5 | yes | — |
| 6 | #392 | — | 2 | 40 | no | — |
| 7 | C2×#95 | C22 | 1 | 10 | yes | — |
| 8 | C25 | C23 | 1 | 5 | yes | — |
| 9 | C22×D4 | — | 2 | 40 | no | — |
| 10 | C22×D4 | — | 2 | 20 | no | — |
| 11 | C22×D4 | — | 4 | 20 | no | — |
| 12 | C22×D4 | — | 4 | 10 | no | — |
| 13 | C22×D4 | — | 4 | 10 | no | — |
| 14 | C23×C4 | C23 | 1 | 10 | yes | — |
| 15 | C2×C22⋊C4 | — | 2 | 40 | no | — |
| 16 | C2×C22⋊C4 | — | 4 | 10 | no | — |
| 17 | C2×C22⋊C4 | — | 4 | 10 | no | — |
| 18 | C2×C22⋊C4 | D4 | 1 | 20 | yes | complemented |
| 19 | #95 | — | 2 | 20 | no | — |
| 20 | C24 | — | 2 | 20 | no | — |
| 21 | C24 | — | 2 | 10 | no | — |
| 22 | C24 | — | 2 | 20 | no | — |
| 23 | C24 | — | 2 | 20 | no | — |
| 24 | C24 | C2×D4 | 1 | 10 | yes | — |
| 25 | C24 | C24 | 1 | 1 | yes | characteristic |
| 26 | C2×D4 | — | 4 | 80 | no | — |
| 27 | C2×D4 | — | 4 | 40 | no | — |
| 28 | C2×D4 | — | 4 | 40 | no | — |
| 29 | C2×D4 | — | 4 | 80 | no | — |
| 30 | C2×D4 | — | 4 | 40 | no | — |
| 31 | C22×C4 | — | 2 | 20 | no | — |
| 32 | C22×C4 | — | 2 | 10 | no | — |
| 33 | C22×C4 | — | 2 | 10 | no | — |
| 34 | C22×C4 | — | 2 | 20 | no | — |
| 35 | C22×C4 | C2×D4 | 1 | 20 | yes | — |
| 36 | C22⋊C4 | — | 4 | 20 | no | — |
| 37 | C22⋊C4 | — | 4 | 40 | no | — |
| 38 | C23 | — | 2 | 10 | no | — |
| 39 | C23 | — | 2 | 20 | no | — |
| 40 | C23 | — | 2 | 40 | no | — |
| 41 | C23 | — | 4 | 20 | no | — |
| 42 | C23 | — | 4 | 20 | no | — |
| 43 | C23 | — | 4 | 20 | no | — |
| 44 | C23 | — | 4 | 10 | no | — |
| 45 | C23 | — | 4 | 20 | no | — |
| 46 | C23 | — | 4 | 20 | no | — |
| 47 | C23 | — | 4 | 10 | no | — |
| 48 | C23 | — | 4 | 20 | no | — |
| 49 | C23 | C22×D4 | 1 | 5 | yes | — |
| 50 | C23 | H(5,𝔽2) | 1 | 10 | yes | — |
| 51 | D4 | — | 4 | 160 | no | — |
| 52 | C2×C4 | — | 2 | 20 | no | — |
| 53 | C2×C4 | — | 2 | 40 | no | — |
| 54 | C2×C4 | — | 4 | 20 | no | — |
| 55 | C2×C4 | — | 4 | 10 | no | — |
| 56 | C2×C4 | — | 4 | 10 | no | — |
| 57 | C22 | — | 4 | 40 | no | — |
| 58 | C22 | — | 4 | 20 | no | — |
| 59 | C22 | — | 4 | 10 | no | — |
| 60 | C22 | — | 8 | 20 | no | — |
| 61 | C22 | — | 8 | 20 | no | — |
| 62 | C22 | #534 | 1 | 5 | yes | — |
| 63 | C22 | #535 | 1 | 10 | yes | — |
| 64 | C22 | D42 | 1 | 10 | yes | — |
| 65 | C22 | #560 | 1 | 10 | yes | — |
| 66 | C4 | — | 4 | 20 | no | — |
| 67 | C2 | — | 8 | 10 | no | — |
| 68 | C2 | #2669 | 1 | 10 | yes | — |
| 69 | C2 | #2815 | 1 | 5 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C24 | C24 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#392 | C2 | semidirect |
| 2. #1440 | C2 | semidirect |
| 18. C2×C22⋊C4 | D4 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#392 | 2 |
| #1440 | 2 |