Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
417 conjugacy classes of subgroups; only the 79 normal subgroups are shown.
This group has 417 conjugacy classes of subgroups — too many to draw. Only its 79 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×#390 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×#324 | C2 | 1 | 2 | yes | maximal, complemented |
| 3 | #1318 | C2 | 1 | 4 | yes | maximal, direct product factor |
| 4 | C23×D4 | C4 | 1 | 1 | yes | characteristic |
| 5 | C22×C4⋊C4 | C22 | 1 | 1 | yes | characteristic |
| 6 | C22×C22⋊C4 | — | 2 | 2 | no | — |
| 7 | C22×C42 | C4 | 1 | 1 | yes | characteristic |
| 8 | C2×C22⋊C8 | — | 2 | 2 | no | — |
| 9 | #390 | — | 2 | 2 | no | — |
| 10 | #390 | C4 | 1 | 2 | yes | — |
| 11 | #390 | C22 | 1 | 2 | yes | — |
| 12 | #324 | — | 2 | 2 | no | — |
| 13 | #324 | C22 | 1 | 4 | yes | complemented |
| 14 | C25 | — | 2 | 1 | no | — |
| 15 | C22×D4 | — | 2 | 1 | no | — |
| 16 | C22×D4 | — | 2 | 2 | no | — |
| 17 | C22×D4 | — | 4 | 1 | no | — |
| 18 | C22×D4 | — | 4 | 1 | no | — |
| 19 | C22×D4 | — | 4 | 2 | no | — |
| 20 | C22×D4 | C8 | 1 | 4 | yes | complemented |
| 21 | C22×D4 | C2×C4 | 1 | 2 | yes | — |
| 22 | C23×C4 | — | 2 | 1 | no | — |
| 23 | C23×C4 | C2×C4 | 1 | 1 | yes | characteristic |
| 24 | C23×C4 | D4 | 1 | 2 | yes | — |
| 25 | C22×C8 | — | 4 | 2 | no | — |
| 26 | C2×C4⋊C4 | — | 4 | 1 | no | — |
| 27 | C2×C4⋊C4 | — | 4 | 1 | no | — |
| 28 | C2×C4⋊C4 | C2×C4 | 1 | 1 | yes | characteristic |
| 29 | C2×C4⋊C4 | D4 | 1 | 2 | yes | — |
| 30 | C2×C4⋊C4 | C23 | 1 | 1 | yes | characteristic |
| 31 | C2×C22⋊C4 | — | 2 | 4 | no | — |
| 32 | C2×C22⋊C4 | — | 2 | 4 | no | — |
| 33 | C2×C22⋊C4 | — | 4 | 8 | no | — |
| 34 | C2×C42 | — | 2 | 1 | no | — |
| 35 | C2×C42 | — | 4 | 2 | no | — |
| 36 | C2×C42 | C2×C4 | 1 | 2 | yes | — |
| 37 | C22⋊C8 | — | 2 | 4 | no | — |
| 38 | C22⋊C8 | — | 4 | 2 | no | — |
| 39 | C24 | — | 2 | 4 | no | — |
| 40 | C24 | — | 2 | 2 | no | — |
| 41 | C24 | — | 4 | 4 | no | — |
| 42 | C24 | — | 4 | 4 | no | — |
| 43 | C24 | — | 4 | 1 | no | — |
| 44 | C24 | — | 4 | 1 | no | — |
| 45 | C24 | — | 4 | 2 | no | — |
| 46 | C24 | C22⋊C4 | 1 | 1 | yes | characteristic |
| 47 | C2×D4 | — | 2 | 4 | no | — |
| 48 | C2×D4 | — | 2 | 2 | no | — |
| 49 | C2×D4 | — | 4 | 4 | no | — |
| 50 | C2×D4 | — | 4 | 4 | no | — |
| 51 | C2×D4 | — | 4 | 2 | no | — |
| 52 | C2×D4 | — | 4 | 2 | no | — |
| 53 | C2×D4 | — | 4 | 4 | no | — |
| 54 | C2×D4 | — | 4 | 4 | no | — |
| 55 | C2×D4 | — | 4 | 2 | no | — |
| 56 | C2×D4 | — | 4 | 2 | no | — |
| 57 | C2×D4 | C2×C8 | 1 | 4 | yes | complemented |
| 58 | C22×C4 | — | 2 | 1 | no | — |
| 59 | C22×C4 | — | 2 | 1 | no | — |
| 60 | C22×C4 | — | 2 | 2 | no | — |
| 61 | C22×C4 | — | 2 | 4 | no | — |
| 62 | C22×C4 | — | 2 | 2 | no | — |
| 63 | C22×C4 | — | 2 | 2 | no | — |
| 64 | C22×C4 | — | 2 | 2 | no | — |
| 65 | C22×C4 | — | 4 | 2 | no | — |
| 66 | C22×C4 | — | 4 | 2 | no | — |
| 67 | C22×C4 | — | 4 | 4 | no | — |
| 68 | C22×C4 | C22⋊C4 | 1 | 1 | yes | characteristic |
| 69 | C22×C4 | C22⋊C4 | 1 | 2 | yes | — |
| 70 | C22×C4 | C2×C8 | 1 | 2 | yes | — |
| 71 | C22×C4 | M16 | 1 | 2 | yes | — |
| 72 | C22×C4 | C22×C4 | 1 | 1 | yes | characteristic |
| 73 | C22×C4 | C2×D4 | 1 | 2 | yes | — |
| 74 | C2×C8 | — | 4 | 4 | no | — |
| 75 | C2×C8 | — | 8 | 4 | no | — |
| 76 | C4⋊C4 | — | 4 | 1 | no | — |
| 77 | C4⋊C4 | — | 4 | 2 | no | — |
| 78 | C4⋊C4 | — | 4 | 1 | no | — |
| 79 | C22⋊C4 | — | 4 | 8 | no | — |
| 80 | C22⋊C4 | — | 4 | 8 | no | — |
| 81 | C42 | — | 4 | 2 | no | — |
| 82 | C42 | — | 4 | 2 | no | — |
| 83 | C23 | — | 2 | 2 | no | — |
| 84 | C23 | — | 2 | 2 | no | — |
| 85 | C23 | — | 2 | 4 | no | — |
| 86 | C23 | — | 4 | 4 | no | — |
| 87 | C23 | — | 4 | 16 | no | — |
| 88 | C23 | — | 4 | 4 | no | — |
| 89 | C23 | — | 4 | 4 | no | — |
| 90 | C23 | — | 4 | 4 | no | — |
| 91 | C23 | — | 4 | 2 | no | — |
| 92 | C23 | — | 4 | 2 | no | — |
| 93 | C23 | — | 8 | 8 | no | — |
| 94 | C23 | — | 8 | 2 | no | — |
| 95 | C23 | — | 8 | 2 | no | — |
| 96 | C23 | — | 8 | 2 | no | — |
| 97 | C23 | — | 8 | 2 | no | — |
| 98 | C23 | C22⋊C8 | 1 | 2 | yes | — |
| 99 | C23 | #99 | 1 | 1 | yes | characteristic |
| 100 | C23 | #99 | 1 | 1 | yes | characteristic |
| 101 | C23 | #100 | 1 | 2 | yes | — |
| 102 | C23 | C2×C22⋊C4 | 1 | 1 | yes | characteristic |
| 103 | D4 | — | 4 | 4 | no | — |
| 104 | D4 | — | 4 | 8 | no | — |
| 105 | D4 | — | 4 | 4 | no | — |
| 106 | C2×C4 | — | 2 | 2 | no | — |
| 107 | C2×C4 | — | 2 | 2 | no | — |
| 108 | C2×C4 | — | 2 | 2 | no | — |
| 109 | C2×C4 | — | 2 | 2 | no | — |
| 110 | C2×C4 | — | 2 | 1 | no | — |
| 111 | C2×C4 | — | 2 | 1 | no | — |
| 112 | C2×C4 | — | 2 | 1 | no | — |
| 113 | C2×C4 | — | 2 | 1 | no | — |
| 114 | C2×C4 | — | 2 | 4 | no | — |
| 115 | C2×C4 | — | 2 | 2 | no | — |
| 116 | C2×C4 | — | 2 | 2 | no | — |
| 117 | C2×C4 | — | 4 | 8 | no | — |
| 118 | C2×C4 | — | 4 | 2 | no | — |
| 119 | C2×C4 | — | 4 | 4 | no | — |
| 120 | C2×C4 | — | 4 | 2 | no | — |
| 121 | C2×C4 | — | 4 | 2 | no | — |
| 122 | C2×C4 | — | 4 | 2 | no | — |
| 123 | C2×C4 | — | 8 | 2 | no | — |
| 124 | C2×C4 | C22⋊C8 | 1 | 2 | yes | — |
| 125 | C2×C4 | C22×C8 | 1 | 1 | yes | characteristic |
| 126 | C2×C4 | C2×M16 | 1 | 1 | yes | characteristic |
| 127 | C8 | — | 8 | 4 | no | — |
| 128 | C22 | — | 2 | 4 | no | — |
| 129 | C22 | — | 2 | 4 | no | — |
| 130 | C22 | — | 2 | 1 | no | — |
| 131 | C22 | — | 2 | 1 | no | — |
| 132 | C22 | — | 2 | 1 | no | — |
| 133 | C22 | — | 2 | 1 | no | — |
| 134 | C22 | — | 4 | 8 | no | — |
| 135 | C22 | — | 4 | 4 | no | — |
| 136 | C22 | — | 8 | 4 | no | — |
| 137 | C22 | — | 8 | 8 | no | — |
| 138 | C22 | — | 8 | 8 | no | — |
| 139 | C22 | — | 8 | 2 | no | — |
| 140 | C22 | — | 8 | 2 | no | — |
| 141 | C22 | #323 | 1 | 2 | yes | — |
| 142 | C22 | #323 | 1 | 2 | yes | — |
| 143 | C22 | #353 | 1 | 2 | yes | — |
| 144 | C22 | #355 | 1 | 2 | yes | — |
| 145 | C22 | C2×C22⋊C8 | 1 | 1 | yes | characteristic |
| 146 | C22 | C2×#99 | 1 | 1 | yes | characteristic |
| 147 | C22 | C2×#100 | 1 | 1 | yes | characteristic |
| 148 | C4 | — | 2 | 2 | no | — |
| 149 | C4 | — | 2 | 1 | no | — |
| 150 | C4 | — | 2 | 1 | no | — |
| 151 | C4 | — | 4 | 4 | no | — |
| 152 | C4 | — | 4 | 2 | no | — |
| 153 | C4 | — | 4 | 2 | no | — |
| 154 | C2 | — | 2 | 1 | no | — |
| 155 | C2 | — | 2 | 1 | no | — |
| 156 | C2 | — | 2 | 2 | no | — |
| 157 | C2 | — | 8 | 4 | no | — |
| 158 | C2 | #1318 | 1 | 4 | yes | direct product factor |
| 159 | C2 | C2×#323 | 1 | 1 | yes | characteristic |
| 160 | C2 | C2×#353 | 1 | 1 | yes | characteristic |
| 161 | C2 | C2×#355 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | #99 |
| commutator | C2×C4 | C22×C8 |
| Frattini, cosocle | C2×C4⋊C4 | C23 |
| prime radical | C23×D4 | C4 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C24 ◁ C22×C4⋊C4 ◁ G | |
| LECS | G ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C2×#324 | C2 | semidirect |
| 3. #1318 | C2 | direct (N × H) |
| 13. #324 | C22 | semidirect |
| 20. C22×D4 | C8 | semidirect |
| 57. C2×D4 | C2×C8 | semidirect |
| 158. C2 | #1318 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#390 | 2 |
| C2×#324 | 2 |
| #1318 | 2 |