Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
886 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #2811 | C2 | 1 | 4 | yes | maximal |
| 2 | #2567 | C2 | 1 | 12 | yes | maximal |
| 3 | #2551 | C2 | 1 | 6 | yes | maximal |
| 4 | #2369 | C2 | 1 | 6 | yes | maximal |
| 5 | C4×C4⋊Q8 | C2 | 1 | 3 | yes | maximal |
| 6 | C2×C4⋊Q8 | C22 | 1 | 12 | yes | — |
| 7 | C2×C4⋊Q8 | C22 | 1 | 3 | yes | — |
| 8 | C2×C4×Q8 | C22 | 1 | 6 | yes | — |
| 9 | #395 | C22 | 1 | 8 | yes | — |
| 10 | #395 | C22 | 1 | 24 | yes | — |
| 11 | #391 | C22 | 1 | 6 | yes | — |
| 12 | #391 | C22 | 1 | 24 | yes | — |
| 13 | #389 | C22 | 1 | 12 | yes | — |
| 14 | #389 | C22 | 1 | 24 | yes | — |
| 15 | #384 | C22 | 1 | 3 | yes | — |
| 16 | #384 | C22 | 1 | 8 | yes | — |
| 17 | C4×C4⋊C4 | C22 | 1 | 12 | yes | — |
| 18 | C4×C4⋊C4 | C22 | 1 | 12 | yes | — |
| 19 | C43 | C22 | 1 | 1 | yes | characteristic |
| 20 | C22×Q8 | C23 | 1 | 8 | yes | — |
| 21 | C22×Q8 | C23 | 1 | 6 | yes | — |
| 22 | C4⋊Q8 | — | 4 | 24 | no | — |
| 23 | C4⋊Q8 | Q8 | 1 | 24 | yes | complemented |
| 24 | C4×Q8 | — | 4 | 12 | no | — |
| 25 | C2×C4⋊C4 | C23 | 1 | 12 | yes | — |
| 26 | C2×C4⋊C4 | C23 | 1 | 12 | yes | — |
| 27 | C2×C4⋊C4 | C23 | 1 | 6 | yes | — |
| 28 | C2×C4⋊C4 | C23 | 1 | 24 | yes | — |
| 29 | C2×C4⋊C4 | C23 | 1 | 12 | yes | — |
| 30 | C2×C42 | C23 | 1 | 3 | yes | — |
| 31 | C2×C42 | C23 | 1 | 12 | yes | — |
| 32 | C2×C42 | C23 | 1 | 1 | yes | characteristic |
| 33 | C2×C42 | C23 | 1 | 8 | yes | — |
| 34 | C2×C42 | C23 | 1 | 3 | yes | — |
| 35 | #95 | C23 | 1 | 24 | yes | — |
| 36 | #95 | C23 | 1 | 24 | yes | — |
| 37 | C2×Q8 | — | 4 | 6 | no | — |
| 38 | C2×Q8 | — | 4 | 6 | no | — |
| 39 | C2×Q8 | — | 4 | 24 | no | — |
| 40 | C2×Q8 | C2×Q8 | 1 | 24 | yes | — |
| 41 | C22×C4 | C24 | 1 | 12 | yes | — |
| 42 | C22×C4 | C24 | 1 | 1 | yes | characteristic |
| 43 | C22×C4 | C24 | 1 | 3 | yes | — |
| 44 | C22×C4 | C24 | 1 | 12 | yes | — |
| 45 | C22×C4 | C24 | 1 | 3 | yes | — |
| 46 | C4⋊C4 | — | 2 | 24 | no | — |
| 47 | C4⋊C4 | — | 4 | 12 | no | — |
| 48 | C4⋊C4 | — | 4 | 6 | no | — |
| 49 | C4⋊C4 | — | 4 | 24 | no | — |
| 50 | C4⋊C4 | C2×Q8 | 1 | 48 | yes | — |
| 51 | C42 | — | 2 | 6 | no | — |
| 52 | C42 | — | 2 | 24 | no | — |
| 53 | C42 | — | 4 | 8 | no | — |
| 54 | C42 | — | 4 | 1 | no | — |
| 55 | C42 | C2×Q8 | 1 | 12 | yes | — |
| 56 | C23 | C25 | 1 | 1 | yes | characteristic |
| 57 | Q8 | — | 4 | 24 | no | — |
| 58 | Q8 | — | 8 | 16 | no | — |
| 59 | C2×C4 | — | 2 | 12 | no | — |
| 60 | C2×C4 | — | 2 | 3 | no | — |
| 61 | C2×C4 | — | 2 | 12 | no | — |
| 62 | C2×C4 | — | 2 | 3 | no | — |
| 63 | C2×C4 | — | 2 | 3 | no | — |
| 64 | C2×C4 | — | 2 | 12 | no | — |
| 65 | C2×C4 | — | 2 | 24 | no | — |
| 66 | C2×C4 | C22×Q8 | 1 | 6 | yes | — |
| 67 | C2×C4 | C22×Q8 | 1 | 24 | yes | — |
| 68 | C2×C4 | C22×Q8 | 1 | 12 | yes | — |
| 69 | C2×C4 | H(5,𝔽2) | 1 | 6 | yes | — |
| 70 | C22 | C23×Q8 | 1 | 3 | yes | — |
| 71 | C22 | C2×H(5,𝔽2) | 1 | 3 | yes | — |
| 72 | C22 | #585 | 1 | 1 | yes | characteristic |
| 73 | C4 | — | 2 | 24 | no | — |
| 74 | C4 | — | 2 | 6 | no | — |
| 75 | C4 | — | 4 | 1 | no | — |
| 76 | C4 | — | 4 | 12 | no | — |
| 77 | C4 | Q82 | 1 | 12 | yes | — |
| 78 | C2 | C2×Q82 | 1 | 3 | yes | — |
| 79 | C2 | #3501 | 1 | 3 | yes | — |
| 80 | C2 | #3549 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 23. C4⋊Q8 | Q8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #2811 | 2 |
| #2567 | 2 |
| #2551 | 2 |
| #2369 | 2 |
| C4×C4⋊Q8 | 2 |