Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
800 conjugacy classes of subgroups.
The subgroup lattice has 265 nodes — too large to display as a diagram.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #3556 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | #3504 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | #3390 | C2 | 1 | 4 | yes | maximal, complemented |
| 4 | #3388 | C2 | 1 | 4 | yes | maximal, complemented |
| 5 | #3374 | C2 | 1 | 4 | yes | maximal, complemented |
| 6 | #3372 | C2 | 1 | 4 | yes | maximal, complemented |
| 7 | #3242 | C2 | 1 | 4 | yes | maximal, complemented |
| 8 | #3236 | C2 | 1 | 2 | yes | maximal, complemented |
| 9 | #3120 | C2 | 1 | 4 | yes | maximal |
| 10 | #3116 | C2 | 1 | 2 | yes | maximal |
| 11 | #2987 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 12 | #564 | — | 2 | 1 | no | — |
| 13 | #564 | — | 2 | 1 | no | — |
| 14 | #557 | — | 2 | 2 | no | — |
| 15 | #557 | C22 | 1 | 4 | yes | — |
| 16 | #557 | C22 | 1 | 4 | yes | — |
| 17 | #557 | C22 | 1 | 4 | yes | — |
| 18 | #554 | — | 2 | 4 | no | — |
| 19 | #554 | C22 | 1 | 4 | yes | — |
| 20 | #544 | — | 2 | 2 | no | — |
| 21 | #544 | C22 | 1 | 2 | yes | — |
| 22 | #541 | — | 2 | 4 | no | — |
| 23 | #541 | C22 | 1 | 4 | yes | — |
| 24 | #533 | — | 2 | 1 | no | — |
| 25 | #533 | C22 | 1 | 2 | yes | — |
| 26 | #533 | C22 | 1 | 1 | yes | characteristic |
| 27 | C2×#125 | — | 2 | 1 | no | — |
| 28 | C2×#125 | C22 | 1 | 1 | yes | characteristic |
| 29 | #520 | C22 | 1 | 2 | yes | — |
| 30 | C4×#41 | C22 | 1 | 1 | yes | characteristic |
| 31 | #501 | C22 | 1 | 4 | yes | — |
| 32 | #501 | C22 | 1 | 4 | yes | — |
| 33 | #499 | C22 | 1 | 4 | yes | — |
| 34 | #491 | C22 | 1 | 4 | yes | — |
| 35 | #491 | C22 | 1 | 4 | yes | — |
| 36 | #487 | C22 | 1 | 4 | yes | — |
| 37 | #485 | C22 | 1 | 4 | yes | — |
| 38 | #484 | C22 | 1 | 4 | yes | — |
| 39 | #483 | C22 | 1 | 4 | yes | — |
| 40 | #479 | C22 | 1 | 4 | yes | — |
| 41 | #479 | C22 | 1 | 4 | yes | — |
| 42 | #479 | C22 | 1 | 4 | yes | — |
| 43 | #479 | C22 | 1 | 4 | yes | — |
| 44 | #479 | C22 | 1 | 4 | yes | — |
| 45 | #478 | C22 | 1 | 4 | yes | — |
| 46 | #477 | C22 | 1 | 2 | yes | — |
| 47 | #477 | C22 | 1 | 4 | yes | — |
| 48 | #476 | C22 | 1 | 2 | yes | — |
| 49 | #475 | C22 | 1 | 4 | yes | — |
| 50 | #462 | C22 | 1 | 2 | yes | — |
| 51 | #462 | C22 | 1 | 4 | yes | — |
| 52 | #461 | C22 | 1 | 2 | yes | — |
| 53 | #461 | C22 | 1 | 4 | yes | — |
| 54 | #452 | C22 | 1 | 4 | yes | — |
| 55 | #446 | C22 | 1 | 4 | yes | — |
| 56 | #446 | C22 | 1 | 4 | yes | — |
| 57 | #441 | C22 | 1 | 4 | yes | — |
| 58 | #441 | C22 | 1 | 4 | yes | — |
| 59 | #440 | C22 | 1 | 4 | yes | — |
| 60 | #440 | C22 | 1 | 4 | yes | — |
| 61 | C4×Q16 | C22 | 1 | 4 | yes | — |
| 62 | C4×SD16 | C22 | 1 | 4 | yes | — |
| 63 | #433 | C22 | 1 | 4 | yes | — |
| 64 | #432 | C22 | 1 | 2 | yes | — |
| 65 | C2×#41 | C23 | 1 | 1 | yes | characteristic |
| 66 | C2×Q16 | C23 | 1 | 4 | yes | — |
| 67 | C2×SD16 | C23 | 1 | 4 | yes | — |
| 68 | C4⋊Q8 | — | 2 | 4 | no | — |
| 69 | C4⋊Q8 | — | 2 | 4 | no | — |
| 70 | C4⋊Q8 | — | 2 | 2 | no | — |
| 71 | C4⋊Q8 | D4 | 1 | 2 | yes | — |
| 72 | C4⋊Q8 | C23 | 1 | 2 | yes | — |
| 73 | C4⋊Q8 | C23 | 1 | 4 | yes | — |
| 74 | C4⋊Q8 | C23 | 1 | 2 | yes | — |
| 75 | C4⋊Q8 | C23 | 1 | 4 | yes | — |
| 76 | #126 | — | 2 | 4 | no | — |
| 77 | #126 | — | 2 | 4 | no | — |
| 78 | #125 | — | 2 | 2 | no | — |
| 79 | #125 | — | 2 | 4 | no | — |
| 80 | #125 | — | 2 | 4 | no | — |
| 81 | #125 | — | 2 | 4 | no | — |
| 82 | #125 | — | 2 | 4 | no | — |
| 83 | #125 | — | 2 | 4 | no | — |
| 84 | #125 | — | 2 | 4 | no | — |
| 85 | #125 | — | 2 | 4 | no | — |
| 86 | #125 | — | 2 | 4 | no | — |
| 87 | #125 | — | 2 | 4 | no | — |
| 88 | #125 | — | 2 | 1 | no | — |
| 89 | #125 | — | 2 | 1 | no | — |
| 90 | #125 | — | 2 | 2 | no | — |
| 91 | #125 | D4 | 1 | 1 | yes | characteristic |
| 92 | #125 | D4 | 1 | 1 | yes | characteristic |
| 93 | #125 | C23 | 1 | 4 | yes | — |
| 94 | #125 | C23 | 1 | 4 | yes | — |
| 95 | #125 | C23 | 1 | 4 | yes | — |
| 96 | C22⋊Q8 | — | 2 | 4 | no | — |
| 97 | C22⋊Q8 | — | 2 | 2 | no | — |
| 98 | C22⋊Q8 | — | 2 | 4 | no | — |
| 99 | C22⋊Q8 | — | 2 | 4 | no | — |
| 100 | C22⋊Q8 | — | 2 | 4 | no | — |
| 101 | C22⋊Q8 | D4 | 1 | 4 | yes | — |
| 102 | C22⋊Q8 | C23 | 1 | 4 | yes | — |
| 103 | C4×Q8 | — | 2 | 4 | no | — |
| 104 | C4×Q8 | — | 2 | 4 | no | — |
| 105 | C4×Q8 | — | 2 | 4 | no | — |
| 106 | C4×Q8 | — | 2 | 2 | no | — |
| 107 | C4×Q8 | C23 | 1 | 2 | yes | — |
| 108 | C4×Q8 | C23 | 1 | 4 | yes | — |
| 109 | C4×Q8 | C23 | 1 | 4 | yes | — |
| 110 | C4×Q8 | C23 | 1 | 4 | yes | — |
| 111 | C4×Q8 | C23 | 1 | 4 | yes | — |
| 112 | C4×Q8 | C23 | 1 | 4 | yes | — |
| 113 | C4×D4 | — | 2 | 2 | no | — |
| 114 | C4×D4 | — | 2 | 4 | no | — |
| 115 | C4×D4 | C23 | 1 | 2 | yes | — |
| 116 | C4×D4 | C23 | 1 | 4 | yes | — |
| 117 | #117 | — | 2 | 2 | no | — |
| 118 | #117 | — | 2 | 2 | no | — |
| 119 | #117 | — | 2 | 1 | no | — |
| 120 | #117 | C23 | 1 | 1 | yes | characteristic |
| 121 | #117 | C23 | 1 | 2 | yes | — |
| 122 | C2×C4⋊C4 | — | 2 | 2 | no | — |
| 123 | C2×C4⋊C4 | — | 2 | 2 | no | — |
| 124 | C2×C4⋊C4 | — | 2 | 4 | no | — |
| 125 | C2×C4⋊C4 | C23 | 1 | 2 | yes | — |
| 126 | C2×C42 | — | 2 | 1 | no | — |
| 127 | C2×C42 | C23 | 1 | 1 | yes | characteristic |
| 128 | #107 | C23 | 1 | 4 | yes | — |
| 129 | #107 | C23 | 1 | 4 | yes | — |
| 130 | #107 | C23 | 1 | 4 | yes | — |
| 131 | #106 | C23 | 1 | 4 | yes | — |
| 132 | #106 | C23 | 1 | 4 | yes | — |
| 133 | #106 | C23 | 1 | 4 | yes | — |
| 134 | C4⋊C8 | C23 | 1 | 2 | yes | — |
| 135 | C4⋊C8 | C23 | 1 | 2 | yes | — |
| 136 | C4⋊C8 | C23 | 1 | 4 | yes | — |
| 137 | C4⋊C8 | C23 | 1 | 4 | yes | — |
| 138 | #103 | C23 | 1 | 4 | yes | — |
| 139 | #103 | C23 | 1 | 4 | yes | — |
| 140 | #103 | C23 | 1 | 4 | yes | — |
| 141 | #103 | C23 | 1 | 4 | yes | — |
| 142 | #103 | C23 | 1 | 4 | yes | — |
| 143 | #103 | C23 | 1 | 4 | yes | — |
| 144 | #103 | C23 | 1 | 4 | yes | — |
| 145 | #102 | C23 | 1 | 4 | yes | — |
| 146 | C22⋊C8 | C23 | 1 | 4 | yes | — |
| 147 | #97 | C23 | 1 | 4 | yes | — |
| 148 | #97 | C23 | 1 | 4 | yes | — |
| 149 | C4×C8 | C23 | 1 | 4 | yes | — |
| 150 | #41 | — | 2 | 2 | no | — |
| 151 | #41 | — | 2 | 2 | no | — |
| 152 | C2×Q8 | — | 2 | 2 | no | — |
| 153 | C2×Q8 | — | 2 | 4 | no | — |
| 154 | C2×Q8 | C2×D4 | 1 | 4 | yes | — |
| 155 | C2×Q8 | C24 | 1 | 4 | yes | — |
| 156 | C2×Q8 | C24 | 1 | 1 | yes | characteristic |
| 157 | C2×D4 | — | 2 | 1 | no | — |
| 158 | C2×D4 | C24 | 1 | 1 | yes | characteristic |
| 159 | C22×C4 | — | 2 | 1 | no | — |
| 160 | C22×C4 | — | 2 | 2 | no | — |
| 161 | C22×C4 | — | 2 | 2 | no | — |
| 162 | C22×C4 | — | 2 | 4 | no | — |
| 163 | C22×C4 | C2×D4 | 1 | 2 | yes | — |
| 164 | C22×C4 | C24 | 1 | 1 | yes | characteristic |
| 165 | Q16 | — | 2 | 8 | no | — |
| 166 | SD16 | — | 2 | 8 | no | — |
| 167 | C2×C8 | C24 | 1 | 4 | yes | — |
| 168 | C2×C8 | C24 | 1 | 4 | yes | — |
| 169 | C4⋊C4 | — | 2 | 4 | no | — |
| 170 | C4⋊C4 | — | 2 | 2 | no | — |
| 171 | C4⋊C4 | — | 2 | 4 | no | — |
| 172 | C4⋊C4 | — | 2 | 4 | no | — |
| 173 | C4⋊C4 | — | 2 | 4 | no | — |
| 174 | C4⋊C4 | — | 2 | 4 | no | — |
| 175 | C4⋊C4 | — | 2 | 2 | no | — |
| 176 | C4⋊C4 | — | 2 | 2 | no | — |
| 177 | C4⋊C4 | — | 2 | 2 | no | — |
| 178 | C4⋊C4 | — | 2 | 2 | no | — |
| 179 | C4⋊C4 | — | 2 | 4 | no | — |
| 180 | C4⋊C4 | — | 2 | 4 | no | — |
| 181 | C4⋊C4 | — | 2 | 4 | no | — |
| 182 | C4⋊C4 | — | 2 | 4 | no | — |
| 183 | C4⋊C4 | — | 2 | 4 | no | — |
| 184 | C4⋊C4 | — | 2 | 4 | no | — |
| 185 | C4⋊C4 | — | 2 | 4 | no | — |
| 186 | C4⋊C4 | — | 2 | 4 | no | — |
| 187 | C4⋊C4 | — | 2 | 4 | no | — |
| 188 | C4⋊C4 | C2×D4 | 1 | 2 | yes | — |
| 189 | C4⋊C4 | C2×D4 | 1 | 4 | yes | — |
| 190 | C4⋊C4 | C2×D4 | 1 | 2 | yes | — |
| 191 | C4⋊C4 | C2×D4 | 1 | 4 | yes | — |
| 192 | C4⋊C4 | C2×D4 | 1 | 4 | yes | — |
| 193 | C4⋊C4 | C24 | 1 | 4 | yes | — |
| 194 | C4⋊C4 | C24 | 1 | 4 | yes | — |
| 195 | C4⋊C4 | C24 | 1 | 2 | yes | — |
| 196 | C22⋊C4 | — | 2 | 4 | no | — |
| 197 | C22⋊C4 | — | 2 | 1 | no | — |
| 198 | C22⋊C4 | — | 2 | 2 | no | — |
| 199 | C22⋊C4 | — | 2 | 4 | no | — |
| 200 | C22⋊C4 | C2×D4 | 1 | 4 | yes | — |
| 201 | C42 | — | 2 | 1 | no | — |
| 202 | C42 | — | 2 | 2 | no | — |
| 203 | C42 | — | 2 | 4 | no | — |
| 204 | C42 | — | 2 | 4 | no | — |
| 205 | C42 | — | 2 | 4 | no | — |
| 206 | C42 | — | 2 | 4 | no | — |
| 207 | C42 | C2×D4 | 1 | 1 | yes | characteristic |
| 208 | C42 | C2×D4 | 1 | 1 | yes | characteristic |
| 209 | C42 | C24 | 1 | 4 | yes | — |
| 210 | C42 | C24 | 1 | 2 | yes | — |
| 211 | C23 | — | 2 | 1 | no | — |
| 212 | C23 | C22×D4 | 1 | 1 | yes | characteristic |
| 213 | Q8 | — | 2 | 1 | no | — |
| 214 | Q8 | — | 2 | 4 | no | — |
| 215 | Q8 | — | 2 | 4 | no | — |
| 216 | Q8 | — | 4 | 4 | no | — |
| 217 | Q8 | — | 4 | 4 | no | — |
| 218 | Q8 | — | 8 | 4 | no | — |
| 219 | Q8 | 2−1+4 | 1 | 2 | yes | — |
| 220 | D4 | — | 2 | 4 | no | — |
| 221 | D4 | — | 2 | 1 | no | — |
| 222 | D4 | 2−1+4 | 1 | 2 | yes | — |
| 223 | C2×C4 | — | 2 | 4 | no | — |
| 224 | C2×C4 | — | 2 | 1 | no | — |
| 225 | C2×C4 | — | 2 | 1 | no | — |
| 226 | C2×C4 | — | 2 | 1 | no | — |
| 227 | C2×C4 | — | 2 | 4 | no | — |
| 228 | C2×C4 | — | 2 | 4 | no | — |
| 229 | C2×C4 | — | 2 | 2 | no | — |
| 230 | C2×C4 | — | 2 | 4 | no | — |
| 231 | C2×C4 | — | 4 | 2 | no | — |
| 232 | C2×C4 | — | 8 | 2 | no | — |
| 233 | C2×C4 | — | 8 | 4 | no | — |
| 234 | C2×C4 | — | 8 | 2 | no | — |
| 235 | C2×C4 | C22×D4 | 1 | 2 | yes | — |
| 236 | C2×C4 | C22×D4 | 1 | 4 | yes | — |
| 237 | C2×C4 | C22×D4 | 1 | 1 | yes | characteristic |
| 238 | C2×C4 | C22×D4 | 1 | 2 | yes | — |
| 239 | C2×C4 | C22×D4 | 1 | 4 | yes | — |
| 240 | C2×C4 | C25 | 1 | 1 | yes | characteristic |
| 241 | C8 | — | 2 | 4 | no | — |
| 242 | C8 | — | 2 | 4 | no | — |
| 243 | C22 | — | 2 | 2 | no | — |
| 244 | C22 | — | 2 | 1 | no | — |
| 245 | C22 | — | 2 | 2 | no | — |
| 246 | C22 | — | 4 | 2 | no | — |
| 247 | C22 | C23×D4 | 1 | 1 | yes | characteristic |
| 248 | C4 | — | 2 | 2 | no | — |
| 249 | C4 | — | 2 | 2 | no | — |
| 250 | C4 | — | 2 | 4 | no | — |
| 251 | C4 | — | 2 | 4 | no | — |
| 252 | C4 | — | 2 | 1 | no | — |
| 253 | C4 | — | 2 | 2 | no | — |
| 254 | C4 | — | 4 | 4 | no | — |
| 255 | C4 | — | 4 | 2 | no | — |
| 256 | C4 | — | 4 | 4 | no | — |
| 257 | C4 | — | 4 | 4 | no | — |
| 258 | C4 | C2×2−1+4 | 1 | 1 | yes | characteristic |
| 259 | C4 | C2×2−1+4 | 1 | 1 | yes | characteristic |
| 260 | C2 | — | 4 | 1 | no | — |
| 261 | C2 | — | 4 | 2 | no | — |
| 262 | C2 | #3486 | 1 | 1 | yes | characteristic |
| 263 | C2 | #3586 | 1 | 2 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | C2×#41 | C23 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #533 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #3556 | C2 | semidirect |
| 3. #3390 | C2 | semidirect |
| 4. #3388 | C2 | semidirect |
| 5. #3374 | C2 | semidirect |
| 6. #3372 | C2 | semidirect |
| 7. #3242 | C2 | semidirect |
| 8. #3236 | C2 | semidirect |
| 11. #2987 | C2 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #3556 | 2 |
| #3504 | 2 |
| #3390 | 2 |
| #3388 | 2 |
| #3374 | 2 |
| #3372 | 2 |
| #3242 | 2 |
| #3236 | 2 |
| #3120 | 2 |
| #3116 | 2 |
| #2987 | 2 |