Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
539 conjugacy classes of subgroups; only the 125 normal subgroups are shown.
This group has 539 conjugacy classes of subgroups — too many to draw. Only its 125 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×#578 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | #3414 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C2×#510 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | #3067 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 5 | #2195 | C2 | 1 | 4 | yes | maximal, complemented |
| 6 | #2193 | C2 | 1 | 4 | yes | maximal, complemented |
| 7 | C2×#362 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 8 | #2143 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 9 | #2117 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 10 | C2×2−1+4 | — | 2 | 1 | no | — |
| 11 | #578 | — | 2 | 2 | no | — |
| 12 | #578 | — | 2 | 2 | no | — |
| 13 | #578 | — | 2 | 2 | no | — |
| 14 | #578 | C22 | 1 | 4 | yes | — |
| 15 | #575 | — | 2 | 1 | no | — |
| 16 | C2×#137 | — | 2 | 2 | no | — |
| 17 | C2×#137 | — | 2 | 1 | no | — |
| 18 | C2×#135 | — | 2 | 1 | no | — |
| 19 | C2×#135 | C22 | 1 | 1 | yes | characteristic |
| 20 | C2×#135 | C22 | 1 | 1 | yes | characteristic |
| 21 | C22×Q16 | — | 2 | 1 | no | — |
| 22 | C22×Q16 | C22 | 1 | 1 | yes | characteristic |
| 23 | C2×#131 | C22 | 1 | 1 | yes | characteristic |
| 24 | #510 | — | 2 | 2 | no | — |
| 25 | #510 | — | 2 | 2 | no | — |
| 26 | #510 | — | 2 | 1 | no | — |
| 27 | #510 | C22 | 1 | 2 | yes | complemented |
| 28 | #509 | — | 2 | 1 | no | — |
| 29 | #509 | C22 | 1 | 2 | yes | complemented |
| 30 | #508 | — | 2 | 2 | no | — |
| 31 | C2×Q32 | C22 | 1 | 2 | yes | complemented |
| 32 | C2×SD32 | C22 | 1 | 2 | yes | complemented |
| 33 | C2×M32 | C22 | 1 | 1 | yes | characteristic |
| 34 | C2×M32 | C22 | 1 | 1 | yes | characteristic |
| 35 | #473 | C22 | 1 | 2 | yes | complemented |
| 36 | #472 | C22 | 1 | 2 | yes | complemented |
| 37 | #471 | — | 2 | 2 | no | — |
| 38 | C2×#108 | C22 | 1 | 1 | yes | characteristic |
| 39 | #413 | — | 2 | 1 | no | — |
| 40 | #362 | C22 | 1 | 4 | yes | complemented |
| 41 | #359 | C22 | 1 | 4 | yes | complemented |
| 42 | #350 | C22 | 1 | 4 | yes | complemented |
| 43 | 2−1+4 | — | 2 | 4 | no | — |
| 44 | 2−1+4 | — | 2 | 4 | no | — |
| 45 | 2−1+4 | — | 4 | 2 | no | — |
| 46 | 2−1+4 | — | 4 | 2 | no | — |
| 47 | C2×#41 | — | 2 | 2 | no | — |
| 48 | C2×#41 | — | 2 | 1 | no | — |
| 49 | C2×#41 | — | 2 | 1 | no | — |
| 50 | C2×#41 | — | 4 | 2 | no | — |
| 51 | C2×#41 | — | 4 | 1 | no | — |
| 52 | C2×#41 | D4 | 1 | 1 | yes | characteristic |
| 53 | C22×Q8 | — | 2 | 2 | no | — |
| 54 | C22×Q8 | — | 2 | 1 | no | — |
| 55 | C22×Q8 | — | 4 | 1 | no | — |
| 56 | #137 | — | 2 | 4 | no | — |
| 57 | #137 | — | 2 | 8 | no | — |
| 58 | #137 | — | 2 | 8 | no | — |
| 59 | #137 | — | 2 | 2 | no | — |
| 60 | #137 | — | 2 | 4 | no | — |
| 61 | #137 | — | 4 | 1 | no | — |
| 62 | AGL(1,ℤ/8) | — | 2 | 2 | no | — |
| 63 | AGL(1,ℤ/8) | — | 4 | 1 | no | — |
| 64 | #135 | — | 2 | 4 | no | — |
| 65 | #135 | — | 2 | 4 | no | — |
| 66 | #135 | — | 2 | 1 | no | — |
| 67 | #135 | — | 2 | 1 | no | — |
| 68 | #135 | — | 2 | 1 | no | — |
| 69 | #135 | — | 2 | 1 | no | — |
| 70 | #135 | — | 2 | 1 | no | — |
| 71 | #135 | — | 2 | 1 | no | — |
| 72 | #135 | — | 4 | 2 | no | — |
| 73 | #135 | D4 | 1 | 2 | yes | — |
| 74 | #135 | C23 | 1 | 2 | yes | — |
| 75 | C2×Q16 | — | 2 | 2 | no | — |
| 76 | C2×Q16 | — | 2 | 4 | no | — |
| 77 | C2×Q16 | — | 2 | 4 | no | — |
| 78 | C2×Q16 | — | 2 | 1 | no | — |
| 79 | C2×Q16 | — | 2 | 1 | no | — |
| 80 | C2×Q16 | — | 2 | 1 | no | — |
| 81 | C2×Q16 | D4 | 1 | 1 | yes | characteristic |
| 82 | C2×Q16 | D4 | 1 | 2 | yes | — |
| 83 | C2×Q16 | D4 | 1 | 2 | yes | — |
| 84 | C2×Q16 | C23 | 1 | 1 | yes | characteristic |
| 85 | C2×Q16 | C23 | 1 | 2 | yes | — |
| 86 | C2×SD16 | — | 2 | 2 | no | — |
| 87 | C2×SD16 | — | 2 | 1 | no | — |
| 88 | C2×SD16 | — | 2 | 1 | no | — |
| 89 | C2×D8 | D4 | 1 | 1 | yes | characteristic |
| 90 | C2×D8 | C23 | 1 | 1 | yes | characteristic |
| 91 | #131 | — | 2 | 1 | no | — |
| 92 | #131 | — | 2 | 1 | no | — |
| 93 | #131 | D4 | 1 | 2 | yes | — |
| 94 | #131 | C23 | 1 | 2 | yes | — |
| 95 | C2×M16 | — | 2 | 1 | no | — |
| 96 | C2×M16 | — | 2 | 1 | no | — |
| 97 | C2×M16 | D4 | 1 | 1 | yes | characteristic |
| 98 | C22×C8 | — | 2 | 1 | no | — |
| 99 | C22×C8 | C23 | 1 | 1 | yes | characteristic |
| 100 | Q32 | — | 2 | 4 | no | — |
| 101 | Q32 | — | 2 | 2 | no | — |
| 102 | SD32 | — | 2 | 4 | no | — |
| 103 | SD32 | — | 2 | 2 | no | — |
| 104 | SD32 | — | 2 | 2 | no | — |
| 105 | D16 | — | 2 | 2 | no | — |
| 106 | M32 | — | 2 | 1 | no | — |
| 107 | M32 | — | 2 | 1 | no | — |
| 108 | M32 | — | 2 | 1 | no | — |
| 109 | M32 | C23 | 1 | 2 | yes | — |
| 110 | C2×C16 | — | 2 | 1 | no | — |
| 111 | C2×C16 | C23 | 1 | 2 | yes | — |
| 112 | #108 | — | 2 | 1 | no | — |
| 113 | #108 | C23 | 1 | 2 | yes | — |
| 114 | #101 | — | 2 | 2 | no | — |
| 115 | #100 | — | 2 | 2 | no | — |
| 116 | #41 | — | 2 | 1 | no | — |
| 117 | #41 | — | 2 | 1 | no | — |
| 118 | #41 | — | 2 | 8 | no | — |
| 119 | #41 | — | 2 | 2 | no | — |
| 120 | #41 | — | 2 | 2 | no | — |
| 121 | #41 | — | 4 | 4 | no | — |
| 122 | #41 | — | 4 | 8 | no | — |
| 123 | #41 | — | 4 | 8 | no | — |
| 124 | #41 | — | 4 | 4 | no | — |
| 125 | #41 | — | 4 | 4 | no | — |
| 126 | #41 | — | 4 | 1 | no | — |
| 127 | #41 | — | 4 | 1 | no | — |
| 128 | #41 | — | 4 | 1 | no | — |
| 129 | #41 | — | 4 | 1 | no | — |
| 130 | #41 | — | 4 | 1 | no | — |
| 131 | #41 | — | 4 | 1 | no | — |
| 132 | #41 | D8 | 1 | 2 | yes | — |
| 133 | #41 | C2×D4 | 1 | 2 | yes | — |
| 134 | C2×Q8 | — | 2 | 8 | no | — |
| 135 | C2×Q8 | — | 2 | 2 | no | — |
| 136 | C2×Q8 | — | 2 | 1 | no | — |
| 137 | C2×Q8 | — | 2 | 2 | no | — |
| 138 | C2×Q8 | — | 2 | 2 | no | — |
| 139 | C2×Q8 | — | 2 | 1 | no | — |
| 140 | C2×Q8 | — | 4 | 2 | no | — |
| 141 | C2×Q8 | — | 4 | 4 | no | — |
| 142 | C2×Q8 | — | 4 | 4 | no | — |
| 143 | C2×Q8 | — | 4 | 4 | no | — |
| 144 | C2×Q8 | — | 4 | 1 | no | — |
| 145 | C2×Q8 | — | 4 | 1 | no | — |
| 146 | C2×Q8 | — | 4 | 1 | no | — |
| 147 | C2×Q8 | D8 | 1 | 1 | yes | characteristic |
| 148 | C2×D4 | — | 2 | 1 | no | — |
| 149 | C2×D4 | — | 2 | 1 | no | — |
| 150 | C2×D4 | — | 2 | 1 | no | — |
| 151 | C2×D4 | — | 4 | 2 | no | — |
| 152 | C2×D4 | — | 4 | 1 | no | — |
| 153 | C2×D4 | — | 4 | 1 | no | — |
| 154 | C2×D4 | D8 | 1 | 1 | yes | characteristic |
| 155 | C22×C4 | — | 2 | 1 | no | — |
| 156 | C22×C4 | — | 4 | 2 | no | — |
| 157 | C22×C4 | — | 4 | 2 | no | — |
| 158 | C22×C4 | — | 4 | 1 | no | — |
| 159 | C22×C4 | — | 4 | 1 | no | — |
| 160 | C22×C4 | — | 4 | 1 | no | — |
| 161 | C22×C4 | C2×D4 | 1 | 1 | yes | characteristic |
| 162 | Q16 | — | 2 | 8 | no | — |
| 163 | Q16 | — | 2 | 1 | no | — |
| 164 | Q16 | — | 2 | 2 | no | — |
| 165 | Q16 | — | 2 | 2 | no | — |
| 166 | Q16 | — | 2 | 2 | no | — |
| 167 | Q16 | — | 2 | 1 | no | — |
| 168 | Q16 | — | 2 | 1 | no | — |
| 169 | Q16 | — | 4 | 2 | no | — |
| 170 | Q16 | C2×D4 | 1 | 2 | yes | — |
| 171 | Q16 | C2×D4 | 1 | 4 | yes | — |
| 172 | SD16 | — | 2 | 8 | no | — |
| 173 | SD16 | — | 2 | 2 | no | — |
| 174 | SD16 | — | 2 | 2 | no | — |
| 175 | SD16 | — | 4 | 2 | no | — |
| 176 | SD16 | — | 4 | 2 | no | — |
| 177 | SD16 | — | 4 | 1 | no | — |
| 178 | SD16 | — | 4 | 1 | no | — |
| 179 | D8 | — | 2 | 1 | no | — |
| 180 | D8 | — | 2 | 1 | no | — |
| 181 | D8 | — | 2 | 1 | no | — |
| 182 | D8 | — | 4 | 2 | no | — |
| 183 | D8 | C2×D4 | 1 | 2 | yes | — |
| 184 | M16 | — | 2 | 1 | no | — |
| 185 | M16 | — | 2 | 2 | no | — |
| 186 | M16 | — | 2 | 2 | no | — |
| 187 | M16 | — | 2 | 2 | no | — |
| 188 | M16 | — | 4 | 1 | no | — |
| 189 | M16 | C2×D4 | 1 | 2 | yes | — |
| 190 | C2×C8 | — | 2 | 1 | no | — |
| 191 | C2×C8 | — | 2 | 2 | no | — |
| 192 | C2×C8 | — | 2 | 2 | no | — |
| 193 | C2×C8 | — | 4 | 1 | no | — |
| 194 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 195 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 196 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 197 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 198 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 199 | C2×C8 | C24 | 1 | 1 | yes | characteristic |
| 200 | C16 | — | 2 | 2 | no | — |
| 201 | C16 | — | 2 | 2 | no | — |
| 202 | C23 | — | 2 | 1 | no | — |
| 203 | C23 | — | 4 | 1 | no | — |
| 204 | C23 | — | 4 | 1 | no | — |
| 205 | C23 | AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 206 | Q8 | — | 2 | 1 | no | — |
| 207 | Q8 | — | 2 | 4 | no | — |
| 208 | Q8 | — | 2 | 2 | no | — |
| 209 | Q8 | — | 4 | 8 | no | — |
| 210 | Q8 | — | 4 | 2 | no | — |
| 211 | Q8 | — | 4 | 1 | no | — |
| 212 | Q8 | — | 4 | 2 | no | — |
| 213 | Q8 | — | 4 | 2 | no | — |
| 214 | Q8 | — | 4 | 1 | no | — |
| 215 | Q8 | — | 4 | 1 | no | — |
| 216 | Q8 | C2×D8 | 1 | 2 | yes | — |
| 217 | D4 | — | 2 | 2 | no | — |
| 218 | D4 | — | 2 | 2 | no | — |
| 219 | D4 | — | 2 | 2 | no | — |
| 220 | D4 | — | 2 | 1 | no | — |
| 221 | D4 | — | 4 | 8 | no | — |
| 222 | D4 | — | 4 | 2 | no | — |
| 223 | D4 | — | 4 | 2 | no | — |
| 224 | D4 | — | 4 | 1 | no | — |
| 225 | D4 | — | 4 | 1 | no | — |
| 226 | D4 | — | 4 | 1 | no | — |
| 227 | D4 | — | 8 | 1 | no | — |
| 228 | D4 | — | 8 | 1 | no | — |
| 229 | D4 | C2×D8 | 1 | 2 | yes | — |
| 230 | C2×C4 | — | 2 | 1 | no | — |
| 231 | C2×C4 | — | 2 | 2 | no | — |
| 232 | C2×C4 | — | 2 | 2 | no | — |
| 233 | C2×C4 | — | 4 | 8 | no | — |
| 234 | C2×C4 | — | 4 | 8 | no | — |
| 235 | C2×C4 | — | 4 | 2 | no | — |
| 236 | C2×C4 | — | 4 | 2 | no | — |
| 237 | C2×C4 | — | 4 | 1 | no | — |
| 238 | C2×C4 | — | 4 | 2 | no | — |
| 239 | C2×C4 | — | 4 | 2 | no | — |
| 240 | C2×C4 | — | 4 | 2 | no | — |
| 241 | C2×C4 | — | 4 | 1 | no | — |
| 242 | C2×C4 | — | 8 | 1 | no | — |
| 243 | C2×C4 | — | 8 | 1 | no | — |
| 244 | C2×C4 | #120 | 1 | 1 | yes | characteristic |
| 245 | C2×C4 | #120 | 1 | 1 | yes | characteristic |
| 246 | C2×C4 | C2×D8 | 1 | 1 | yes | characteristic |
| 247 | C2×C4 | C2×D8 | 1 | 1 | yes | characteristic |
| 248 | C2×C4 | AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 249 | C2×C4 | C22×D4 | 1 | 1 | yes | characteristic |
| 250 | C8 | — | 2 | 2 | no | — |
| 251 | C8 | — | 4 | 2 | no | — |
| 252 | C8 | #120 | 1 | 1 | yes | characteristic |
| 253 | C8 | #120 | 1 | 1 | yes | characteristic |
| 254 | C8 | C22×D4 | 1 | 1 | yes | characteristic |
| 255 | C8 | C22×D4 | 1 | 1 | yes | characteristic |
| 256 | C22 | — | 2 | 2 | no | — |
| 257 | C22 | — | 4 | 1 | no | — |
| 258 | C22 | — | 4 | 2 | no | — |
| 259 | C22 | — | 4 | 2 | no | — |
| 260 | C22 | — | 8 | 2 | no | — |
| 261 | C22 | — | 8 | 1 | no | — |
| 262 | C22 | — | 16 | 1 | no | — |
| 263 | C22 | #447 | 1 | 1 | yes | characteristic |
| 264 | C22 | #447 | 1 | 1 | yes | characteristic |
| 265 | C22 | C2×AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 266 | C4 | — | 2 | 2 | no | — |
| 267 | C4 | — | 4 | 4 | no | — |
| 268 | C4 | — | 4 | 2 | no | — |
| 269 | C4 | — | 8 | 1 | no | — |
| 270 | C4 | #447 | 1 | 1 | yes | characteristic |
| 271 | C4 | #447 | 1 | 1 | yes | characteristic |
| 272 | C4 | C2×#120 | 1 | 1 | yes | characteristic |
| 273 | C4 | C22×D8 | 1 | 1 | yes | characteristic |
| 274 | C2 | — | 2 | 1 | no | — |
| 275 | C2 | — | 2 | 1 | no | — |
| 276 | C2 | — | 2 | 1 | no | — |
| 277 | C2 | — | 4 | 2 | no | — |
| 278 | C2 | — | 8 | 2 | no | — |
| 279 | C2 | — | 16 | 1 | no | — |
| 280 | C2 | C2×#447 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | C2×#447 |
| commutator, Frattini, cosocle | C2×C8 | C24 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C22×C4 ◁ C2×#131 ◁ G | |
| LECS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#578 | C2 | semidirect |
| 2. #3414 | C2 | semidirect |
| 3. C2×#510 | C2 | semidirect |
| 4. #3067 | C2 | semidirect |
| 5. #2195 | C2 | semidirect |
| 6. #2193 | C2 | semidirect |
| 7. C2×#362 | C2 | semidirect |
| 8. #2143 | C2 | semidirect |
| 9. #2117 | C2 | semidirect |
| 27. #510 | C22 | semidirect |
| 29. #509 | C22 | semidirect |
| 31. C2×Q32 | C22 | semidirect |
| 32. C2×SD32 | C22 | semidirect |
| 35. #473 | C22 | semidirect |
| 36. #472 | C22 | semidirect |
| 40. #362 | C22 | semidirect |
| 41. #359 | C22 | semidirect |
| 42. #350 | C22 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#578 | 2 |
| #3414 | 2 |
| C2×#510 | 2 |
| #3067 | 2 |
| #2195 | 2 |
| #2193 | 2 |
| C2×#362 | 2 |
| #2143 | 2 |
| #2117 | 2 |