Finite Group DatabasebetaFinite Group DatabasebetaOrder 256.
552 conjugacy classes of subgroups; only the 125 normal subgroups are shown.
This group has 552 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 | #3584 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | C2×#509 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C2×#509 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C2×#472 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 5 | #2193 | C2 | 1 | 4 | yes | maximal, complemented |
| 6 | #2192 | C2 | 1 | 4 | yes | maximal, complemented |
| 7 | #2148 | 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 | #585 | — | 2 | 1 | no | — |
| 11 | #578 | — | 2 | 1 | no | — |
| 12 | #578 | C22 | 1 | 2 | yes | complemented |
| 13 | #577 | — | 2 | 2 | no | — |
| 14 | #577 | — | 2 | 2 | no | — |
| 15 | #576 | — | 2 | 1 | no | — |
| 16 | #576 | C22 | 1 | 2 | yes | complemented |
| 17 | #575 | — | 2 | 2 | no | — |
| 18 | #575 | — | 2 | 1 | no | — |
| 19 | C2×AGL(1,ℤ/8) | — | 2 | 1 | no | — |
| 20 | C2×#135 | — | 2 | 2 | no | — |
| 21 | C2×#135 | C22 | 1 | 1 | yes | characteristic |
| 22 | C2×#135 | C22 | 1 | 1 | yes | characteristic |
| 23 | C22×D8 | C22 | 1 | 1 | yes | characteristic, complemented |
| 24 | C2×#131 | C22 | 1 | 1 | yes | characteristic |
| 25 | #509 | — | 2 | 2 | no | — |
| 26 | #509 | — | 2 | 2 | no | — |
| 27 | #509 | — | 2 | 2 | no | — |
| 28 | #509 | C22 | 1 | 4 | yes | complemented |
| 29 | C2×SD32 | — | 2 | 1 | no | — |
| 30 | C2×SD32 | C22 | 1 | 2 | yes | complemented |
| 31 | C2×D16 | — | 2 | 1 | no | — |
| 32 | C2×D16 | C22 | 1 | 2 | yes | complemented |
| 33 | C2×M32 | C22 | 1 | 1 | yes | characteristic, complemented |
| 34 | C2×M32 | C22 | 1 | 1 | yes | characteristic, complemented |
| 35 | #472 | — | 2 | 2 | no | — |
| 36 | #472 | C22 | 1 | 4 | yes | complemented |
| 37 | C2×#108 | C22 | 1 | 1 | yes | characteristic, complemented |
| 38 | C2×#100 | — | 2 | 1 | no | — |
| 39 | #362 | C22 | 1 | 2 | yes | complemented |
| 40 | #361 | C22 | 1 | 2 | yes | complemented |
| 41 | #359 | C22 | 1 | 4 | yes | complemented |
| 42 | #350 | C22 | 1 | 4 | yes | complemented |
| 43 | 2−1+4 | — | 2 | 2 | no | — |
| 44 | 2−1+4 | — | 2 | 2 | no | — |
| 45 | 2−1+4 | — | 4 | 1 | no | — |
| 46 | H(5,𝔽2) | — | 2 | 2 | no | — |
| 47 | H(5,𝔽2) | — | 2 | 2 | no | — |
| 48 | H(5,𝔽2) | — | 4 | 2 | no | — |
| 49 | H(5,𝔽2) | — | 4 | 1 | no | — |
| 50 | C2×#41 | — | 2 | 4 | no | — |
| 51 | C2×#41 | — | 2 | 1 | no | — |
| 52 | C2×#41 | — | 2 | 1 | no | — |
| 53 | C2×#41 | — | 4 | 2 | no | — |
| 54 | C2×#41 | — | 4 | 2 | no | — |
| 55 | C2×#41 | D4 | 1 | 1 | yes | characteristic |
| 56 | C22×D4 | — | 2 | 1 | no | — |
| 57 | #137 | — | 2 | 2 | no | — |
| 58 | #137 | — | 2 | 4 | no | — |
| 59 | #137 | — | 2 | 4 | no | — |
| 60 | #137 | — | 2 | 2 | no | — |
| 61 | AGL(1,ℤ/8) | — | 2 | 2 | no | — |
| 62 | AGL(1,ℤ/8) | — | 2 | 4 | no | — |
| 63 | AGL(1,ℤ/8) | — | 2 | 4 | no | — |
| 64 | AGL(1,ℤ/8) | — | 2 | 4 | no | — |
| 65 | AGL(1,ℤ/8) | — | 2 | 2 | no | — |
| 66 | AGL(1,ℤ/8) | — | 4 | 2 | no | — |
| 67 | #135 | — | 2 | 4 | no | — |
| 68 | #135 | — | 2 | 4 | no | — |
| 69 | #135 | — | 2 | 2 | no | — |
| 70 | #135 | — | 2 | 2 | no | — |
| 71 | #135 | — | 2 | 1 | no | — |
| 72 | #135 | — | 2 | 1 | no | — |
| 73 | #135 | — | 2 | 1 | no | — |
| 74 | #135 | — | 2 | 1 | no | — |
| 75 | #135 | D4 | 1 | 2 | yes | — |
| 76 | #135 | D4 | 1 | 2 | yes | — |
| 77 | #135 | D4 | 1 | 2 | yes | — |
| 78 | #135 | C23 | 1 | 2 | yes | — |
| 79 | C2×Q16 | — | 2 | 2 | no | — |
| 80 | C2×Q16 | D4 | 1 | 1 | yes | characteristic |
| 81 | C2×Q16 | C23 | 1 | 1 | yes | characteristic |
| 82 | C2×SD16 | — | 2 | 4 | no | — |
| 83 | C2×SD16 | — | 2 | 1 | no | — |
| 84 | C2×SD16 | — | 2 | 1 | no | — |
| 85 | C2×SD16 | — | 4 | 1 | no | — |
| 86 | C2×D8 | — | 2 | 2 | no | — |
| 87 | C2×D8 | — | 2 | 1 | no | — |
| 88 | C2×D8 | — | 2 | 1 | no | — |
| 89 | C2×D8 | — | 2 | 1 | no | — |
| 90 | C2×D8 | — | 2 | 1 | no | — |
| 91 | C2×D8 | — | 2 | 1 | no | — |
| 92 | C2×D8 | — | 4 | 1 | no | — |
| 93 | C2×D8 | D4 | 1 | 1 | yes | characteristic |
| 94 | C2×D8 | C23 | 1 | 2 | yes | — |
| 95 | C2×D8 | C23 | 1 | 1 | yes | characteristic |
| 96 | #131 | — | 2 | 1 | no | — |
| 97 | #131 | — | 2 | 1 | no | — |
| 98 | #131 | D4 | 1 | 2 | yes | — |
| 99 | #131 | C23 | 1 | 2 | yes | — |
| 100 | C2×M16 | — | 2 | 1 | no | — |
| 101 | C2×M16 | — | 2 | 1 | no | — |
| 102 | C2×M16 | D4 | 1 | 1 | yes | characteristic |
| 103 | C22×C8 | — | 2 | 1 | no | — |
| 104 | C22×C8 | C23 | 1 | 1 | yes | characteristic |
| 105 | SD32 | — | 2 | 4 | no | — |
| 106 | SD32 | — | 2 | 4 | no | — |
| 107 | D16 | — | 2 | 4 | no | — |
| 108 | D16 | — | 2 | 4 | no | — |
| 109 | M32 | — | 2 | 1 | no | — |
| 110 | M32 | — | 2 | 1 | no | — |
| 111 | M32 | — | 2 | 1 | no | — |
| 112 | M32 | C23 | 1 | 2 | yes | — |
| 113 | C2×C16 | — | 2 | 1 | no | — |
| 114 | C2×C16 | C23 | 1 | 2 | yes | — |
| 115 | #108 | — | 2 | 1 | no | — |
| 116 | #108 | C23 | 1 | 2 | yes | — |
| 117 | #100 | — | 2 | 4 | no | — |
| 118 | C24 | — | 4 | 1 | no | — |
| 119 | #41 | — | 2 | 1 | no | — |
| 120 | #41 | — | 2 | 1 | no | — |
| 121 | #41 | — | 2 | 4 | no | — |
| 122 | #41 | — | 2 | 4 | no | — |
| 123 | #41 | — | 2 | 2 | no | — |
| 124 | #41 | — | 2 | 2 | no | — |
| 125 | #41 | — | 2 | 2 | no | — |
| 126 | #41 | — | 2 | 2 | no | — |
| 127 | #41 | — | 4 | 4 | no | — |
| 128 | #41 | — | 4 | 4 | no | — |
| 129 | #41 | — | 4 | 4 | no | — |
| 130 | #41 | — | 4 | 4 | no | — |
| 131 | #41 | — | 4 | 2 | no | — |
| 132 | #41 | — | 4 | 2 | no | — |
| 133 | #41 | — | 4 | 2 | no | — |
| 134 | #41 | — | 4 | 2 | no | — |
| 135 | #41 | — | 4 | 1 | no | — |
| 136 | #41 | — | 4 | 1 | no | — |
| 137 | #41 | — | 4 | 1 | no | — |
| 138 | #41 | — | 4 | 1 | no | — |
| 139 | #41 | D8 | 1 | 2 | yes | — |
| 140 | #41 | C2×D4 | 1 | 2 | yes | — |
| 141 | C2×Q8 | — | 2 | 4 | no | — |
| 142 | C2×Q8 | — | 2 | 1 | no | — |
| 143 | C2×Q8 | — | 2 | 1 | no | — |
| 144 | C2×Q8 | — | 4 | 2 | no | — |
| 145 | C2×Q8 | — | 4 | 2 | no | — |
| 146 | C2×Q8 | D8 | 1 | 1 | yes | characteristic |
| 147 | C2×D4 | — | 2 | 1 | no | — |
| 148 | C2×D4 | — | 2 | 4 | no | — |
| 149 | C2×D4 | — | 2 | 1 | no | — |
| 150 | C2×D4 | — | 2 | 1 | no | — |
| 151 | C2×D4 | — | 2 | 2 | no | — |
| 152 | C2×D4 | — | 4 | 4 | no | — |
| 153 | C2×D4 | — | 4 | 4 | no | — |
| 154 | C2×D4 | — | 4 | 2 | no | — |
| 155 | C2×D4 | — | 4 | 4 | no | — |
| 156 | C2×D4 | — | 4 | 1 | no | — |
| 157 | C2×D4 | — | 4 | 1 | no | — |
| 158 | C2×D4 | — | 4 | 2 | no | — |
| 159 | C2×D4 | — | 4 | 1 | no | — |
| 160 | C2×D4 | — | 4 | 1 | no | — |
| 161 | C2×D4 | — | 4 | 1 | no | — |
| 162 | C2×D4 | — | 4 | 1 | no | — |
| 163 | C2×D4 | — | 4 | 1 | no | — |
| 164 | C2×D4 | D8 | 1 | 1 | yes | characteristic |
| 165 | C22×C4 | — | 2 | 1 | no | — |
| 166 | C22×C4 | — | 4 | 4 | no | — |
| 167 | C22×C4 | — | 4 | 1 | no | — |
| 168 | C22×C4 | — | 4 | 1 | no | — |
| 169 | C22×C4 | C2×D4 | 1 | 1 | yes | characteristic |
| 170 | Q16 | — | 2 | 4 | no | — |
| 171 | Q16 | — | 2 | 1 | no | — |
| 172 | Q16 | — | 2 | 1 | no | — |
| 173 | Q16 | C2×D4 | 1 | 2 | yes | — |
| 174 | Q16 | C2×D4 | 1 | 2 | yes | — |
| 175 | SD16 | — | 2 | 4 | no | — |
| 176 | SD16 | — | 2 | 4 | no | — |
| 177 | SD16 | — | 2 | 2 | no | — |
| 178 | SD16 | — | 2 | 2 | no | — |
| 179 | SD16 | — | 2 | 2 | no | — |
| 180 | SD16 | — | 2 | 2 | no | — |
| 181 | SD16 | — | 4 | 4 | no | — |
| 182 | D8 | — | 2 | 4 | no | — |
| 183 | D8 | — | 2 | 1 | no | — |
| 184 | D8 | — | 2 | 1 | no | — |
| 185 | D8 | — | 2 | 2 | no | — |
| 186 | D8 | — | 2 | 2 | no | — |
| 187 | D8 | — | 4 | 4 | no | — |
| 188 | D8 | — | 4 | 1 | no | — |
| 189 | D8 | — | 4 | 1 | no | — |
| 190 | D8 | C2×D4 | 1 | 2 | yes | — |
| 191 | D8 | C2×D4 | 1 | 2 | yes | — |
| 192 | M16 | — | 2 | 1 | no | — |
| 193 | M16 | — | 2 | 2 | no | — |
| 194 | M16 | — | 2 | 2 | no | — |
| 195 | M16 | — | 2 | 2 | no | — |
| 196 | M16 | — | 4 | 1 | no | — |
| 197 | M16 | C2×D4 | 1 | 2 | yes | — |
| 198 | C2×C8 | — | 2 | 1 | no | — |
| 199 | C2×C8 | — | 2 | 2 | no | — |
| 200 | C2×C8 | — | 2 | 2 | no | — |
| 201 | C2×C8 | — | 4 | 1 | no | — |
| 202 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 203 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 204 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 205 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 206 | C2×C8 | C2×D4 | 1 | 1 | yes | characteristic |
| 207 | C2×C8 | C24 | 1 | 1 | yes | characteristic |
| 208 | C16 | — | 2 | 2 | no | — |
| 209 | C16 | — | 2 | 2 | no | — |
| 210 | C23 | — | 2 | 1 | no | — |
| 211 | C23 | — | 4 | 4 | no | — |
| 212 | C23 | — | 4 | 1 | no | — |
| 213 | C23 | — | 4 | 1 | no | — |
| 214 | C23 | — | 4 | 2 | no | — |
| 215 | C23 | — | 8 | 1 | no | — |
| 216 | C23 | — | 8 | 1 | no | — |
| 217 | C23 | — | 16 | 2 | no | — |
| 218 | C23 | AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 219 | Q8 | — | 2 | 1 | no | — |
| 220 | Q8 | — | 2 | 2 | no | — |
| 221 | Q8 | — | 2 | 2 | no | — |
| 222 | Q8 | — | 4 | 4 | no | — |
| 223 | Q8 | — | 4 | 1 | no | — |
| 224 | Q8 | — | 4 | 1 | no | — |
| 225 | Q8 | C2×D8 | 1 | 2 | yes | — |
| 226 | D4 | — | 2 | 2 | no | — |
| 227 | D4 | — | 2 | 2 | no | — |
| 228 | D4 | — | 2 | 2 | no | — |
| 229 | D4 | — | 2 | 2 | no | — |
| 230 | D4 | — | 2 | 1 | no | — |
| 231 | D4 | — | 4 | 4 | no | — |
| 232 | D4 | — | 4 | 4 | no | — |
| 233 | D4 | — | 4 | 4 | no | — |
| 234 | D4 | — | 4 | 2 | no | — |
| 235 | D4 | — | 4 | 2 | no | — |
| 236 | D4 | — | 4 | 2 | no | — |
| 237 | D4 | — | 4 | 2 | no | — |
| 238 | D4 | — | 4 | 2 | no | — |
| 239 | D4 | — | 4 | 1 | no | — |
| 240 | D4 | — | 4 | 2 | no | — |
| 241 | D4 | — | 4 | 1 | no | — |
| 242 | D4 | — | 8 | 1 | no | — |
| 243 | D4 | — | 8 | 1 | no | — |
| 244 | D4 | C2×D8 | 1 | 2 | yes | — |
| 245 | C2×C4 | — | 2 | 1 | no | — |
| 246 | C2×C4 | — | 2 | 2 | no | — |
| 247 | C2×C4 | — | 2 | 2 | no | — |
| 248 | C2×C4 | — | 4 | 4 | no | — |
| 249 | C2×C4 | — | 4 | 4 | no | — |
| 250 | C2×C4 | — | 4 | 4 | no | — |
| 251 | C2×C4 | — | 4 | 1 | no | — |
| 252 | C2×C4 | — | 4 | 1 | no | — |
| 253 | C2×C4 | — | 4 | 2 | no | — |
| 254 | C2×C4 | — | 4 | 2 | no | — |
| 255 | C2×C4 | — | 4 | 2 | no | — |
| 256 | C2×C4 | — | 4 | 2 | no | — |
| 257 | C2×C4 | #120 | 1 | 1 | yes | characteristic |
| 258 | C2×C4 | #120 | 1 | 1 | yes | characteristic |
| 259 | C2×C4 | C2×D8 | 1 | 1 | yes | characteristic |
| 260 | C2×C4 | C2×D8 | 1 | 1 | yes | characteristic |
| 261 | C2×C4 | AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 262 | C2×C4 | C22×D4 | 1 | 1 | yes | characteristic |
| 263 | C8 | — | 2 | 2 | no | — |
| 264 | C8 | — | 4 | 2 | no | — |
| 265 | C8 | #120 | 1 | 1 | yes | characteristic |
| 266 | C8 | #120 | 1 | 1 | yes | characteristic |
| 267 | C8 | C22×D4 | 1 | 1 | yes | characteristic |
| 268 | C8 | C22×D4 | 1 | 1 | yes | characteristic |
| 269 | C22 | — | 2 | 2 | no | — |
| 270 | C22 | — | 4 | 1 | no | — |
| 271 | C22 | — | 4 | 2 | no | — |
| 272 | C22 | — | 4 | 2 | no | — |
| 273 | C22 | — | 8 | 1 | no | — |
| 274 | C22 | — | 8 | 2 | no | — |
| 275 | C22 | — | 16 | 1 | no | — |
| 276 | C22 | — | 16 | 1 | no | — |
| 277 | C22 | — | 16 | 2 | no | — |
| 278 | C22 | — | 16 | 2 | no | — |
| 279 | C22 | — | 16 | 2 | no | — |
| 280 | C22 | — | 16 | 4 | no | — |
| 281 | C22 | #447 | 1 | 1 | yes | characteristic |
| 282 | C22 | #447 | 1 | 1 | yes | characteristic |
| 283 | C22 | C2×AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 284 | C4 | — | 2 | 2 | no | — |
| 285 | C4 | — | 4 | 2 | no | — |
| 286 | C4 | — | 4 | 2 | no | — |
| 287 | C4 | #447 | 1 | 1 | yes | characteristic |
| 288 | C4 | #447 | 1 | 1 | yes | characteristic |
| 289 | C4 | C2×#120 | 1 | 1 | yes | characteristic |
| 290 | C4 | C22×D8 | 1 | 1 | yes | characteristic |
| 291 | C2 | — | 2 | 1 | no | — |
| 292 | C2 | — | 2 | 1 | no | — |
| 293 | C2 | — | 2 | 1 | no | — |
| 294 | C2 | — | 4 | 2 | no | — |
| 295 | C2 | — | 8 | 2 | no | — |
| 296 | C2 | — | 8 | 2 | no | — |
| 297 | C2 | — | 16 | 2 | no | — |
| 298 | 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. #3584 | C2 | semidirect |
| 2. C2×#509 | C2 | semidirect |
| 3. C2×#509 | C2 | semidirect |
| 4. C2×#472 | C2 | semidirect |
| 5. #2193 | C2 | semidirect |
| 6. #2192 | C2 | semidirect |
| 7. #2148 | C2 | semidirect |
| 8. #2143 | C2 | semidirect |
| 9. #2117 | C2 | semidirect |
| 12. #578 | C22 | semidirect |
| 16. #576 | C22 | semidirect |
| 23. C22×D8 | C22 | semidirect |
| 28. #509 | C22 | semidirect |
| 30. C2×SD32 | C22 | semidirect |
| 32. C2×D16 | C22 | semidirect |
| 33. C2×M32 | C22 | semidirect |
| 34. C2×M32 | C22 | semidirect |
| 36. #472 | C22 | semidirect |
| 37. C2×#108 | C22 | semidirect |
| 39. #362 | C22 | semidirect |
| 40. #361 | 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 |
|---|---|
| #3584 | 2 |
| C2×#509 | 2 |
| C2×#472 | 2 |
| #2193 | 2 |
| #2192 | 2 |
| #2148 | 2 |
| #2143 | 2 |
| #2117 | 2 |