← #16950836
Subgroups — #16950836
Order 4352.
442 conjugacy classes of subgroups.
The subgroup lattice has 334 nodes — too large to display as a diagram.
Conjugacy classes of subgroups
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|
| 1 | C2×#11762847 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×#11762637 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C2×#11762635 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | #14528813 | C2 | 1 | 1 | yes | maximal, characteristic |
| 5 | #14526876 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 6 | #14526876 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 7 | C2×C17×C22⋊C16 | C2 | 1 | 1 | yes | maximal, characteristic |
| 8 | C2×#10587612 | — | 2 | 1 | no | — |
| 9 | #11762847 | — | 2 | 2 | no | — |
| 10 | #11762847 | — | 2 | 2 | no | — |
| 11 | C2×#10587489 | C22 | 1 | 1 | yes | characteristic |
| 12 | C2×#10587489 | C22 | 1 | 1 | yes | characteristic |
| 13 | C2×#10587489 | C22 | 1 | 1 | yes | characteristic |
| 14 | C2×#10587489 | C22 | 1 | 1 | yes | characteristic |
| 15 | C2×#10587488 | — | 2 | 1 | no | — |
| 16 | #11762669 | — | 2 | 1 | no | — |
| 17 | #11762637 | — | 2 | 2 | no | — |
| 18 | #11762635 | — | 2 | 2 | no | — |
| 19 | #11762572 | — | 2 | 1 | no | — |
| 20 | C23×C8×C17 | C22 | 1 | 1 | yes | characteristic |
| 21 | C22×C16×C17 | C22 | 1 | 1 | yes | characteristic |
| 22 | C22×C16×C17 | C22 | 1 | 1 | yes | characteristic |
| 23 | C17×C22⋊C16 | C4 | 1 | 4 | yes | complemented |
| 24 | C23×C4×C17 | D4 | 1 | 1 | yes | characteristic |
| 25 | C22×C8×C17 | — | 2 | 1 | no | — |
| 26 | C22×C8×C17 | — | 2 | 1 | no | — |
| 27 | C22×C8×C17 | — | 2 | 1 | no | — |
| 28 | C22×C8×C17 | — | 2 | 1 | no | — |
| 29 | C22×C8×C17 | C2×C4 | 1 | 2 | yes | — |
| 30 | C22×C8×C17 | D4 | 1 | 1 | yes | characteristic |
| 31 | C22×C8×C17 | Q8 | 1 | 2 | yes | — |
| 32 | C22×C8×C17 | C23 | 1 | 1 | yes | characteristic |
| 33 | C2×C22⋊Dic17 | — | 4 | 1 | no | — |
| 34 | C2×C22⋊Dic17 | — | 4 | 1 | no | — |
| 35 | #10587612 | — | 2 | 4 | no | — |
| 36 | #10587612 | — | 4 | 2 | no | — |
| 37 | C2×C4⋊Dic17 | — | 2 | 1 | no | — |
| 38 | C2×C4⋊Dic17 | — | 2 | 1 | no | — |
| 39 | C2×C4⋊Dic17 | — | 2 | 1 | no | — |
| 40 | C2×C4⋊Dic17 | — | 2 | 1 | no | — |
| 41 | C2×C4×Dic17 | — | 4 | 1 | no | — |
| 42 | C2×C16×C17 | — | 2 | 1 | no | — |
| 43 | C2×C16×C17 | — | 2 | 1 | no | — |
| 44 | C2×C16×C17 | — | 2 | 1 | no | — |
| 45 | C2×C16×C17 | — | 2 | 1 | no | — |
| 46 | C2×C16×C17 | C2×C4 | 1 | 2 | yes | — |
| 47 | C2×C16×C17 | C2×C4 | 1 | 2 | yes | — |
| 48 | #10587502 | — | 4 | 1 | no | — |
| 49 | #10587489 | — | 2 | 1 | no | — |
| 50 | #10587489 | — | 2 | 1 | no | — |
| 51 | #10587489 | — | 2 | 1 | no | — |
| 52 | #10587489 | — | 2 | 1 | no | — |
| 53 | #10587489 | — | 2 | 1 | no | — |
| 54 | #10587489 | — | 2 | 1 | no | — |
| 55 | #10587489 | D4 | 1 | 2 | yes | — |
| 56 | #10587489 | D4 | 1 | 2 | yes | — |
| 57 | #10587488 | — | 2 | 4 | no | — |
| 58 | C24×C17 | D8 | 1 | 1 | yes | characteristic |
| 59 | C22×C4×C17 | — | 2 | 1 | no | — |
| 60 | C22×C4×C17 | — | 2 | 1 | no | — |
| 61 | C22×C4×C17 | — | 2 | 1 | no | — |
| 62 | C22×C4×C17 | — | 2 | 1 | no | — |
| 63 | C22×C4×C17 | C4⋊C4 | 1 | 2 | yes | — |
| 64 | C22×C4×C17 | D8 | 1 | 1 | yes | characteristic |
| 65 | C22×C4×C17 | Q16 | 1 | 2 | yes | — |
| 66 | C22×C4×C17 | C2×D4 | 1 | 1 | yes | characteristic |
| 67 | C22×Dic17 | — | 4 | 1 | no | — |
| 68 | C22×Dic17 | — | 4 | 1 | no | — |
| 69 | C22×Dic17 | — | 4 | 1 | no | — |
| 70 | C22×Dic17 | — | 4 | 1 | no | — |
| 71 | C2×C8×C17 | — | 2 | 1 | no | — |
| 72 | C2×C8×C17 | — | 2 | 1 | no | — |
| 73 | C2×C8×C17 | — | 2 | 2 | no | — |
| 74 | C2×C8×C17 | — | 2 | 2 | no | — |
| 75 | C2×C8×C17 | — | 2 | 2 | no | — |
| 76 | C2×C8×C17 | — | 2 | 2 | no | — |
| 77 | C2×C8×C17 | C4⋊C4 | 1 | 2 | yes | — |
| 78 | C2×C8×C17 | C22×C4 | 1 | 1 | yes | characteristic |
| 79 | C2×C8×C17 | C2×D4 | 1 | 1 | yes | characteristic |
| 80 | C2×C8×C17 | C2×D4 | 1 | 1 | yes | characteristic |
| 81 | C2×C8×C17 | C2×Q8 | 1 | 1 | yes | characteristic |
| 82 | C2×C8×C17 | #41 | 1 | 1 | yes | characteristic |
| 83 | C2×C8×C17 | #41 | 1 | 1 | yes | characteristic |
| 84 | C22⋊Dic17 | — | 4 | 4 | no | — |
| 85 | C22⋊Dic17 | — | 8 | 2 | no | — |
| 86 | C4⋊Dic17 | — | 2 | 2 | no | — |
| 87 | C4⋊Dic17 | — | 2 | 2 | no | — |
| 88 | C4⋊Dic17 | — | 4 | 1 | no | — |
| 89 | C4⋊Dic17 | — | 4 | 1 | no | — |
| 90 | C4⋊Dic17 | — | 4 | 1 | no | — |
| 91 | C4⋊Dic17 | — | 4 | 1 | no | — |
| 92 | C4⋊Dic17 | — | 4 | 1 | no | — |
| 93 | C4⋊Dic17 | — | 4 | 1 | no | — |
| 94 | C4×Dic17 | — | 4 | 4 | no | — |
| 95 | C16×C17 | — | 2 | 2 | no | — |
| 96 | C16×C17 | — | 2 | 2 | no | — |
| 97 | #12921 | — | 17 | 1 | no | maximal, Sylow |
| 98 | C23×C17 | — | 2 | 1 | no | — |
| 99 | C23×C17 | — | 2 | 1 | no | — |
| 100 | C23×C17 | — | 2 | 1 | no | — |
| 101 | C23×C17 | — | 2 | 1 | no | — |
| 102 | C23×C17 | — | 2 | 1 | no | — |
| 103 | C23×C17 | — | 2 | 1 | no | — |
| 104 | C23×C17 | #107 | 1 | 2 | yes | — |
| 105 | C23×C17 | C2×D8 | 1 | 1 | yes | characteristic |
| 106 | C2×C4×C17 | — | 2 | 1 | no | — |
| 107 | C2×C4×C17 | — | 2 | 1 | no | — |
| 108 | C2×C4×C17 | — | 2 | 2 | no | — |
| 109 | C2×C4×C17 | — | 2 | 2 | no | — |
| 110 | C2×C4×C17 | — | 2 | 2 | no | — |
| 111 | C2×C4×C17 | — | 2 | 2 | no | — |
| 112 | C2×C4×C17 | #107 | 1 | 2 | yes | — |
| 113 | C2×C4×C17 | C2×C4⋊C4 | 1 | 1 | yes | characteristic |
| 114 | C2×C4×C17 | #120 | 1 | 1 | yes | characteristic |
| 115 | C2×C4×C17 | #123 | 1 | 1 | yes | characteristic |
| 116 | C2×C4×C17 | C2×Q16 | 1 | 1 | yes | characteristic |
| 117 | C2×C4×C17 | AGL(1,ℤ/8) | 1 | 1 | yes | characteristic |
| 118 | C2×C4×C17 | #137 | 1 | 1 | yes | characteristic |
| 119 | C2×Dic17 | — | 4 | 2 | no | — |
| 120 | C2×Dic17 | — | 4 | 2 | no | — |
| 121 | C2×Dic17 | — | 8 | 1 | no | — |
| 122 | C2×Dic17 | — | 8 | 1 | no | — |
| 123 | C2×Dic17 | — | 8 | 1 | no | — |
| 124 | C2×Dic17 | — | 8 | 1 | no | — |
| 125 | C2×Dic17 | — | 8 | 1 | no | — |
| 126 | C2×Dic17 | — | 8 | 1 | no | — |
| 127 | C2×Dic17 | — | 8 | 1 | no | — |
| 128 | C2×Dic17 | — | 8 | 1 | no | — |
| 129 | C2×Dic17 | — | 8 | 1 | no | — |
| 130 | C2×Dic17 | — | 8 | 1 | no | — |
| 131 | C8×C17 | — | 2 | 2 | no | — |
| 132 | C8×C17 | C4×D4 | 1 | 1 | yes | characteristic |
| 133 | C8×C17 | C4×D4 | 1 | 1 | yes | characteristic |
| 134 | C8×C17 | C22⋊Q8 | 1 | 1 | yes | characteristic |
| 135 | C8×C17 | C22⋊Q8 | 1 | 1 | yes | characteristic |
| 136 | C2×#427 | — | 17 | 1 | no | — |
| 137 | C2×#367 | — | 17 | 1 | no | — |
| 138 | C2×#366 | — | 17 | 1 | no | — |
| 139 | C2×C22⋊C16 | D17 | 1 | 1 | yes | characteristic |
| 140 | #1808 | — | 17 | 1 | no | — |
| 141 | #1380 | — | 17 | 1 | no | — |
| 142 | #1380 | — | 17 | 1 | no | — |
| 143 | C22×C17 | — | 2 | 2 | no | — |
| 144 | C22×C17 | — | 2 | 2 | no | — |
| 145 | C22×C17 | — | 2 | 2 | no | — |
| 146 | C22×C17 | — | 4 | 1 | no | — |
| 147 | C22×C17 | — | 4 | 1 | no | — |
| 148 | C22×C17 | — | 4 | 1 | no | — |
| 149 | C22×C17 | — | 4 | 1 | no | — |
| 150 | C22×C17 | C2×#107 | 1 | 1 | yes | characteristic |
| 151 | C22×C17 | #447 | 1 | 1 | yes | characteristic |
| 152 | C22×C17 | #480 | 1 | 1 | yes | characteristic |
| 153 | C22×C17 | #508 | 1 | 1 | yes | characteristic |
| 154 | C22×C17 | #508 | 1 | 1 | yes | characteristic |
| 155 | C22×C17 | #509 | 1 | 1 | yes | characteristic |
| 156 | C22×C17 | #510 | 1 | 1 | yes | characteristic |
| 157 | C4×C17 | — | 2 | 2 | no | — |
| 158 | C4×C17 | #385 | 1 | 1 | yes | characteristic |
| 159 | C4×C17 | #428 | 1 | 1 | yes | characteristic |
| 160 | C4×C17 | #451 | 1 | 1 | yes | characteristic |
| 161 | C4×C17 | #484 | 1 | 1 | yes | characteristic |
| 162 | Dic17 | — | 8 | 2 | no | — |
| 163 | Dic17 | — | 8 | 2 | no | — |
| 164 | Dic17 | — | 16 | 1 | no | — |
| 165 | Dic17 | — | 16 | 1 | no | — |
| 166 | C23×C8 | C2×D17 | 1 | 1 | yes | characteristic |
| 167 | C2×#117 | — | 34 | 1 | no | — |
| 168 | C22×C16 | C2×D17 | 1 | 1 | yes | characteristic |
| 169 | C22×C16 | C2×D17 | 1 | 1 | yes | characteristic |
| 170 | #427 | — | 34 | 2 | no | — |
| 171 | #427 | — | 34 | 2 | no | — |
| 172 | C2×#107 | — | 17 | 1 | no | — |
| 173 | C2×#107 | — | 17 | 1 | no | — |
| 174 | C2×#107 | — | 17 | 1 | no | — |
| 175 | C2×#107 | — | 17 | 1 | no | — |
| 176 | C2×#106 | — | 34 | 1 | no | — |
| 177 | #380 | — | 34 | 1 | no | — |
| 178 | #367 | — | 34 | 2 | no | — |
| 179 | #366 | — | 34 | 2 | no | — |
| 180 | C22⋊C16 | Dic17 | 1 | 4 | yes | complemented |
| 181 | #340 | — | 34 | 1 | no | — |
| 182 | C2×C17 | — | 4 | 2 | no | — |
| 183 | C2×C17 | #1852 | 1 | 1 | yes | characteristic |
| 184 | C2×C17 | #2158 | 1 | 1 | yes | characteristic |
| 185 | C2×C17 | #2159 | 1 | 1 | yes | characteristic |
| 186 | C2×C17 | #2186 | 1 | 1 | yes | characteristic |
| 187 | C2×C17 | #2189 | 1 | 1 | yes | characteristic |
| 188 | C2×C17 | #2234 | 1 | 1 | yes | characteristic |
| 189 | C2×C17 | #2237 | 1 | 1 | yes | characteristic |
| 190 | C23×C4 | D68 | 1 | 1 | yes | characteristic |
| 191 | C22×C8 | — | 2 | 1 | no | — |
| 192 | C22×C8 | — | 2 | 1 | no | — |
| 193 | C22×C8 | — | 2 | 1 | no | — |
| 194 | C22×C8 | — | 2 | 1 | no | — |
| 195 | C22×C8 | Dic34 | 1 | 2 | yes | — |
| 196 | C22×C8 | D68 | 1 | 1 | yes | characteristic |
| 197 | C22×C8 | C2×Dic17 | 1 | 2 | yes | — |
| 198 | C22×C8 | C22×D17 | 1 | 1 | yes | characteristic |
| 199 | #117 | — | 34 | 4 | no | — |
| 200 | #117 | — | 68 | 2 | no | — |
| 201 | C2×C4⋊C4 | — | 34 | 1 | no | — |
| 202 | C2×C4⋊C4 | — | 34 | 1 | no | — |
| 203 | C2×C4⋊C4 | — | 34 | 1 | no | — |
| 204 | C2×C4⋊C4 | — | 34 | 1 | no | — |
| 205 | C2×C22⋊C4 | — | 68 | 1 | no | — |
| 206 | C2×C22⋊C4 | — | 68 | 1 | no | — |
| 207 | C2×C42 | — | 68 | 1 | no | — |
| 208 | C2×C16 | — | 2 | 1 | no | — |
| 209 | C2×C16 | — | 2 | 1 | no | — |
| 210 | C2×C16 | — | 2 | 1 | no | — |
| 211 | C2×C16 | — | 2 | 1 | no | — |
| 212 | C2×C16 | C2×Dic17 | 1 | 2 | yes | — |
| 213 | C2×C16 | C2×Dic17 | 1 | 2 | yes | — |
| 214 | #107 | — | 17 | 2 | no | — |
| 215 | #107 | — | 17 | 2 | no | — |
| 216 | #107 | — | 34 | 1 | no | — |
| 217 | #107 | — | 34 | 1 | no | — |
| 218 | #107 | — | 34 | 1 | no | — |
| 219 | #107 | — | 34 | 1 | no | — |
| 220 | #107 | — | 34 | 1 | no | — |
| 221 | #107 | — | 34 | 1 | no | — |
| 222 | #106 | — | 34 | 4 | no | — |
| 223 | #95 | — | 68 | 1 | no | — |
| 224 | C17 | #12921 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 225 | C24 | D136 | 1 | 1 | yes | characteristic |
| 226 | C22×C4 | — | 2 | 1 | no | — |
| 227 | C22×C4 | — | 2 | 1 | no | — |
| 228 | C22×C4 | — | 2 | 1 | no | — |
| 229 | C22×C4 | — | 2 | 1 | no | — |
| 230 | C22×C4 | — | 68 | 1 | no | — |
| 231 | C22×C4 | — | 68 | 1 | no | — |
| 232 | C22×C4 | — | 68 | 1 | no | — |
| 233 | C22×C4 | — | 68 | 1 | no | — |
| 234 | C22×C4 | D136 | 1 | 1 | yes | characteristic |
| 235 | C22×C4 | Dic68 | 1 | 2 | yes | — |
| 236 | C22×C4 | C4⋊Dic17 | 1 | 2 | yes | — |
| 237 | C22×C4 | C2×D68 | 1 | 1 | yes | characteristic |
| 238 | C2×C8 | — | 2 | 1 | no | — |
| 239 | C2×C8 | — | 2 | 1 | no | — |
| 240 | C2×C8 | — | 2 | 2 | no | — |
| 241 | C2×C8 | — | 2 | 2 | no | — |
| 242 | C2×C8 | — | 2 | 2 | no | — |
| 243 | C2×C8 | — | 2 | 2 | no | — |
| 244 | C2×C8 | C4⋊Dic17 | 1 | 2 | yes | — |
| 245 | C2×C8 | C2×Dic34 | 1 | 1 | yes | characteristic |
| 246 | C2×C8 | D4×D17 | 1 | 1 | yes | characteristic |
| 247 | C2×C8 | D4×D17 | 1 | 1 | yes | characteristic |
| 248 | C2×C8 | #63254 | 1 | 1 | yes | characteristic |
| 249 | C2×C8 | #63254 | 1 | 1 | yes | characteristic |
| 250 | C2×C8 | C22×Dic17 | 1 | 1 | yes | characteristic |
| 251 | C4⋊C4 | — | 34 | 2 | no | — |
| 252 | C4⋊C4 | — | 34 | 2 | no | — |
| 253 | C4⋊C4 | — | 68 | 1 | no | — |
| 254 | C4⋊C4 | — | 68 | 1 | no | — |
| 255 | C4⋊C4 | — | 68 | 1 | no | — |
| 256 | C4⋊C4 | — | 68 | 1 | no | — |
| 257 | C4⋊C4 | — | 68 | 1 | no | — |
| 258 | C4⋊C4 | — | 68 | 1 | no | — |
| 259 | C22⋊C4 | — | 68 | 4 | no | — |
| 260 | C22⋊C4 | — | 136 | 2 | no | — |
| 261 | C42 | — | 68 | 4 | no | — |
| 262 | C16 | — | 2 | 2 | no | — |
| 263 | C16 | — | 2 | 2 | no | — |
| 264 | C23 | — | 2 | 1 | no | — |
| 265 | C23 | — | 2 | 1 | no | — |
| 266 | C23 | — | 2 | 1 | no | — |
| 267 | C23 | — | 2 | 1 | no | — |
| 268 | C23 | — | 2 | 1 | no | — |
| 269 | C23 | — | 2 | 1 | no | — |
| 270 | C23 | #10587489 | 1 | 2 | yes | — |
| 271 | C23 | C2×D136 | 1 | 1 | yes | characteristic |
| 272 | C2×C4 | — | 2 | 1 | no | — |
| 273 | C2×C4 | — | 2 | 1 | no | — |
| 274 | C2×C4 | — | 2 | 2 | no | — |
| 275 | C2×C4 | — | 2 | 2 | no | — |
| 276 | C2×C4 | — | 2 | 2 | no | — |
| 277 | C2×C4 | — | 2 | 2 | no | — |
| 278 | C2×C4 | — | 68 | 2 | no | — |
| 279 | C2×C4 | — | 68 | 2 | no | — |
| 280 | C2×C4 | — | 136 | 1 | no | — |
| 281 | C2×C4 | — | 136 | 1 | no | — |
| 282 | C2×C4 | — | 136 | 1 | no | — |
| 283 | C2×C4 | — | 136 | 1 | no | — |
| 284 | C2×C4 | — | 136 | 1 | no | — |
| 285 | C2×C4 | — | 136 | 1 | no | — |
| 286 | C2×C4 | — | 136 | 1 | no | — |
| 287 | C2×C4 | — | 136 | 1 | no | — |
| 288 | C2×C4 | — | 136 | 1 | no | — |
| 289 | C2×C4 | — | 136 | 1 | no | — |
| 290 | C2×C4 | #10587489 | 1 | 2 | yes | — |
| 291 | C2×C4 | #10587568 | 1 | 1 | yes | characteristic |
| 292 | C2×C4 | #10587572 | 1 | 1 | yes | characteristic |
| 293 | C2×C4 | C2×Dic68 | 1 | 1 | yes | characteristic |
| 294 | C2×C4 | #10587594 | 1 | 1 | yes | characteristic |
| 295 | C2×C4 | #10587595 | 1 | 1 | yes | characteristic |
| 296 | C2×C4 | C2×C4⋊Dic17 | 1 | 1 | yes | characteristic |
| 297 | C8 | — | 2 | 2 | no | — |
| 298 | C8 | #10587564 | 1 | 1 | yes | characteristic |
| 299 | C8 | #10587564 | 1 | 1 | yes | characteristic |
| 300 | C8 | D4×Dic17 | 1 | 1 | yes | characteristic |
| 301 | C8 | D4×Dic17 | 1 | 1 | yes | characteristic |
| 302 | C22 | — | 2 | 2 | no | — |
| 303 | C22 | — | 2 | 2 | no | — |
| 304 | C22 | — | 2 | 2 | no | — |
| 305 | C22 | — | 4 | 1 | no | — |
| 306 | C22 | — | 4 | 1 | no | — |
| 307 | C22 | — | 4 | 1 | no | — |
| 308 | C22 | — | 4 | 1 | no | — |
| 309 | C22 | C2×#10587489 | 1 | 1 | yes | characteristic |
| 310 | C22 | #11762945 | 1 | 1 | yes | characteristic |
| 311 | C22 | #11763123 | 1 | 1 | yes | characteristic |
| 312 | C22 | #11763241 | 1 | 1 | yes | characteristic |
| 313 | C22 | #11763241 | 1 | 1 | yes | characteristic |
| 314 | C22 | #11763247 | 1 | 1 | yes | characteristic |
| 315 | C22 | #11763252 | 1 | 1 | yes | characteristic |
| 316 | C4 | — | 2 | 2 | no | — |
| 317 | C4 | — | 272 | 1 | no | — |
| 318 | C4 | — | 272 | 1 | no | — |
| 319 | C4 | — | 136 | 2 | no | — |
| 320 | C4 | — | 136 | 2 | no | — |
| 321 | C4 | #11762684 | 1 | 1 | yes | characteristic |
| 322 | C4 | #11762851 | 1 | 1 | yes | characteristic |
| 323 | C4 | #11762967 | 1 | 1 | yes | characteristic |
| 324 | C4 | #11763145 | 1 | 1 | yes | characteristic |
| 325 | C2 | — | 4 | 2 | no | — |
| 326 | C2 | #14528974 | 1 | 1 | yes | characteristic |
| 327 | C2 | #14530568 | 1 | 1 | yes | characteristic |
| 328 | C2 | #14530572 | 1 | 1 | yes | characteristic |
| 329 | C2 | #14530709 | 1 | 1 | yes | characteristic |
| 330 | C2 | #14530726 | 1 | 1 | yes | characteristic |
| 331 | C2 | #14530976 | 1 | 1 | yes | characteristic |
| 332 | C2 | #14530993 | 1 | 1 | yes | characteristic |
Complements
Splittings G = N ⋊ H with N normal; H ≅ G/N.
Maximal subgroups
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
Finite Group Databasebeta