Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
228 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #1785 | C2 | 1 | 2 | yes | maximal |
| 2 | #1780 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C22×#41 | C22 | 1 | 1 | yes | characteristic |
| 4 | C2×#101 | — | 2 | 2 | no | — |
| 5 | C2×#100 | C4 | 1 | 4 | yes | — |
| 6 | #407 | — | 2 | 2 | no | — |
| 7 | C2×C22⋊C8 | — | 2 | 2 | no | — |
| 8 | C2×C22⋊C8 | C4 | 1 | 2 | yes | — |
| 9 | C2×#41 | — | 4 | 2 | no | — |
| 10 | C2×#41 | — | 4 | 4 | no | — |
| 11 | C22×Q8 | D4 | 1 | 1 | yes | characteristic |
| 12 | C22×D4 | C2×C4 | 1 | 2 | yes | — |
| 13 | C22×D4 | Q8 | 1 | 1 | yes | characteristic |
| 14 | C23×C4 | C2×C4 | 1 | 1 | yes | characteristic |
| 15 | C23×C4 | D4 | 1 | 2 | yes | — |
| 16 | C2×M16 | — | 2 | 4 | no | — |
| 17 | C22×C8 | — | 2 | 2 | no | — |
| 18 | #101 | — | 4 | 4 | no | — |
| 19 | #100 | — | 4 | 4 | no | — |
| 20 | C22⋊C8 | — | 4 | 4 | no | — |
| 21 | C22⋊C8 | — | 4 | 4 | no | — |
| 22 | C22⋊C8 | — | 4 | 2 | no | — |
| 23 | C24 | C42 | 1 | 1 | yes | characteristic |
| 24 | C24 | C4⋊C4 | 1 | 2 | yes | — |
| 25 | #41 | — | 4 | 16 | no | — |
| 26 | C2×Q8 | — | 2 | 4 | no | — |
| 27 | C2×Q8 | — | 4 | 1 | no | — |
| 28 | C2×D4 | — | 2 | 4 | no | — |
| 29 | C2×D4 | — | 4 | 2 | no | — |
| 30 | C2×D4 | — | 4 | 2 | no | — |
| 31 | C2×D4 | — | 4 | 2 | no | — |
| 32 | C2×D4 | — | 4 | 1 | no | — |
| 33 | C22×C4 | — | 2 | 2 | no | — |
| 34 | C22×C4 | — | 2 | 4 | no | — |
| 35 | C22×C4 | — | 2 | 4 | no | — |
| 36 | C22×C4 | — | 4 | 2 | no | — |
| 37 | C22×C4 | — | 4 | 2 | no | — |
| 38 | C22×C4 | C22⋊C4 | 1 | 2 | yes | — |
| 39 | C22×C4 | C22⋊C4 | 1 | 1 | yes | characteristic |
| 40 | C22×C4 | C4⋊C4 | 1 | 1 | yes | characteristic |
| 41 | M16 | — | 4 | 4 | no | — |
| 42 | M16 | — | 4 | 4 | no | — |
| 43 | C2×C8 | — | 4 | 4 | no | — |
| 44 | C2×C8 | — | 4 | 4 | no | — |
| 45 | C2×C8 | — | 4 | 2 | no | — |
| 46 | C23 | — | 2 | 2 | no | — |
| 47 | C23 | — | 2 | 1 | no | — |
| 48 | C23 | — | 2 | 2 | no | — |
| 49 | C23 | — | 2 | 2 | no | — |
| 50 | C23 | — | 2 | 2 | no | — |
| 51 | C23 | — | 4 | 4 | no | — |
| 52 | C23 | — | 4 | 2 | no | — |
| 53 | C23 | #95 | 1 | 1 | yes | characteristic |
| 54 | Q8 | — | 4 | 4 | no | — |
| 55 | D4 | — | 4 | 8 | no | — |
| 56 | D4 | — | 4 | 4 | no | — |
| 57 | C2×C4 | — | 2 | 2 | no | — |
| 58 | C2×C4 | — | 2 | 2 | no | — |
| 59 | C2×C4 | — | 2 | 2 | no | — |
| 60 | C2×C4 | — | 2 | 2 | no | — |
| 61 | C2×C4 | — | 2 | 1 | no | — |
| 62 | C2×C4 | — | 4 | 8 | no | — |
| 63 | C2×C4 | — | 4 | 4 | no | — |
| 64 | C2×C4 | #99 | 1 | 4 | yes | — |
| 65 | C2×C4 | #99 | 1 | 2 | yes | — |
| 66 | C8 | — | 8 | 2 | no | — |
| 67 | C8 | — | 8 | 4 | no | — |
| 68 | C22 | — | 2 | 2 | no | — |
| 69 | C22 | — | 4 | 4 | no | — |
| 70 | C22 | — | 4 | 2 | no | — |
| 71 | C22 | — | 4 | 1 | no | — |
| 72 | C22 | — | 4 | 4 | no | — |
| 73 | C22 | — | 4 | 2 | no | — |
| 74 | C22 | — | 8 | 2 | no | — |
| 75 | C22 | — | 8 | 2 | no | — |
| 76 | C22 | #342 | 1 | 2 | yes | — |
| 77 | C22 | #342 | 1 | 1 | yes | characteristic |
| 78 | C4 | — | 2 | 2 | no | — |
| 79 | C4 | — | 2 | 4 | no | — |
| 80 | C4 | — | 4 | 1 | no | — |
| 81 | C2 | — | 2 | 2 | no | — |
| 82 | C2 | — | 8 | 2 | no | — |
| 83 | C2 | — | 8 | 1 | no | — |
| 84 | C2 | #1304 | 1 | 1 | yes | characteristic |
| 85 | C2 | #1392 | 1 | 2 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #342 |
| commutator | C24 | C42 |
| Frattini, prime radical, cosocle | C22×#41 | C22 |
| LCS | G ▷ C24 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C22×#41 ▷ C23 ▷ C2 ▷ C1 | |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #1785 | 2 |
| #1780 | 2 |