← #14298691
Subgroups — #14298691
Order 1920.
472 conjugacy classes of subgroups.
The subgroup lattice has 336 nodes — too large to display as a diagram.
Conjugacy classes of subgroups
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|
| 1 | #11754211 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×C5×#824 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C2×#90962 | C2 | 1 | 1 | yes | maximal, characteristic |
| 4 | #11746380 | C2 | 1 | 1 | yes | maximal, characteristic |
| 5 | C3×#64776 | C2 | 1 | 1 | yes | maximal, characteristic |
| 6 | #11745992 | C2 | 1 | 1 | yes | maximal, characteristic |
| 7 | #11745991 | C2 | 1 | 1 | yes | maximal, characteristic |
| 8 | #10600894 | — | 3 | 1 | no | maximal, Hall |
| 9 | C22×C5×Dic6 | C22 | 1 | 1 | yes | characteristic |
| 10 | C2×C3×C5×M16 | C22 | 1 | 1 | yes | characteristic |
| 11 | #91815 | C22 | 1 | 1 | yes | characteristic |
| 12 | C2×#6710 | C22 | 1 | 1 | yes | characteristic |
| 13 | C2×C5×#208 | C22 | 1 | 1 | yes | characteristic |
| 14 | C3×#4072 | C22 | 1 | 1 | yes | characteristic |
| 15 | C2×C3×#681 | C22 | 1 | 1 | yes | characteristic |
| 16 | #91529 | C4 | 1 | 4 | yes | — |
| 17 | #91344 | — | 2 | 2 | no | — |
| 18 | Dic5×Dic6 | — | 2 | 2 | no | — |
| 19 | C5×#824 | — | 2 | 2 | no | — |
| 20 | #90962 | — | 2 | 2 | no | — |
| 21 | #69029 | — | 5 | 1 | no | maximal, Hall |
| 22 | #66146 | — | 3 | 1 | no | — |
| 23 | C2×C5×#101 | — | 3 | 1 | no | — |
| 24 | C2×#3968 | — | 3 | 1 | no | — |
| 25 | #64779 | — | 3 | 1 | no | — |
| 26 | #64779 | — | 3 | 1 | no | — |
| 27 | #64776 | — | 3 | 1 | no | — |
| 28 | #64776 | D3 | 1 | 1 | yes | characteristic |
| 29 | C22×C3×C4×C5 | C23 | 1 | 1 | yes | characteristic |
| 30 | C22×C5×Dic3 | C2×C4 | 1 | 2 | yes | — |
| 31 | C2×C5×Dic6 | — | 2 | 1 | no | — |
| 32 | C2×C5×Dic6 | — | 2 | 1 | no | — |
| 33 | C2×C5×Dic6 | — | 2 | 1 | no | — |
| 34 | C2×C5×Dic6 | — | 2 | 1 | no | — |
| 35 | C2×C5×Dic6 | D4 | 1 | 2 | yes | — |
| 36 | C2×C5×Dic6 | D4 | 1 | 2 | yes | — |
| 37 | C3×C5×M16 | — | 2 | 1 | no | — |
| 38 | C3×C5×M16 | — | 2 | 1 | no | — |
| 39 | C2×C3×C5×C8 | — | 2 | 1 | no | — |
| 40 | #6719 | C2×C4 | 1 | 2 | yes | — |
| 41 | C4⋊Dic15 | — | 2 | 1 | no | — |
| 42 | C4×Dic15 | — | 2 | 1 | no | — |
| 43 | #6710 | — | 2 | 1 | no | — |
| 44 | #6710 | — | 2 | 1 | no | — |
| 45 | C2×C3⋊#168 | — | 2 | 1 | no | — |
| 46 | C5×#208 | — | 2 | 1 | no | — |
| 47 | C5×#208 | — | 2 | 1 | no | — |
| 48 | C2×C5×C3⋊C8 | — | 2 | 1 | no | — |
| 49 | C3×C22⋊Dic5 | C2×C4 | 1 | 2 | yes | — |
| 50 | C3×C4⋊Dic5 | — | 2 | 1 | no | — |
| 51 | C3×C4×Dic5 | — | 2 | 1 | no | — |
| 52 | C3×#681 | — | 2 | 1 | no | — |
| 53 | C3×#681 | — | 2 | 1 | no | — |
| 54 | C2×C3×#168 | — | 2 | 1 | no | — |
| 55 | Dic3⋊Dic5 | — | 2 | 4 | no | — |
| 56 | Dic3×Dic5 | — | 2 | 4 | no | — |
| 57 | #5516 | — | 5 | 1 | no | — |
| 58 | C2×#824 | — | 5 | 1 | no | — |
| 59 | C2×#824 | D5 | 1 | 1 | yes | characteristic |
| 60 | C3×#344 | — | 5 | 1 | no | — |
| 61 | #4559 | — | 5 | 1 | no | — |
| 62 | #4556 | — | 5 | 1 | no | — |
| 63 | #4533 | — | 5 | 1 | no | — |
| 64 | C22×C5×Q8 | — | 3 | 1 | no | — |
| 65 | C2×C5×M16 | — | 3 | 1 | no | — |
| 66 | C2×C5×M16 | C2×D3 | 1 | 1 | yes | characteristic |
| 67 | Q8×Dic5 | — | 6 | 2 | no | — |
| 68 | Q8×Dic5 | — | 6 | 2 | no | — |
| 69 | #4072 | — | 3 | 1 | no | — |
| 70 | #4072 | — | 3 | 4 | no | — |
| 71 | #4072 | C2×D3 | 1 | 1 | yes | characteristic |
| 72 | C2×#681 | — | 3 | 1 | no | — |
| 73 | C2×#681 | C2×D3 | 1 | 1 | yes | characteristic |
| 74 | C5×#101 | — | 6 | 2 | no | — |
| 75 | #3968 | — | 6 | 2 | no | — |
| 76 | #1830 | — | 15 | 1 | no | Sylow |
| 77 | C23×C3×C5 | C22×C4 | 1 | 1 | yes | characteristic |
| 78 | C2×C3×C4×C5 | C2×D4 | 1 | 1 | yes | characteristic |
| 79 | C2×C3×C4×C5 | C2×D4 | 1 | 1 | yes | characteristic |
| 80 | C2×C3×C4×C5 | #41 | 1 | 1 | yes | characteristic |
| 81 | C2×C3×C4×C5 | #41 | 1 | 1 | yes | characteristic |
| 82 | C2×C3×C4×C5 | #41 | 1 | 1 | yes | characteristic |
| 83 | C2×C3×C4×C5 | #41 | 1 | 1 | yes | characteristic |
| 84 | C2×Dic15 | — | 2 | 2 | no | — |
| 85 | C2×C5×Dic3 | — | 2 | 2 | no | — |
| 86 | C2×C5×Dic3 | — | 2 | 2 | no | — |
| 87 | C2×C5×Dic3 | C22⋊C4 | 1 | 4 | yes | — |
| 88 | C5×Dic6 | — | 2 | 2 | no | — |
| 89 | C5×Dic6 | — | 2 | 2 | no | — |
| 90 | C5×Dic6 | — | 2 | 2 | no | — |
| 91 | C5×Dic6 | — | 2 | 2 | no | — |
| 92 | C2×C3×Dic5 | — | 2 | 2 | no | — |
| 93 | C3×C5×C8 | — | 4 | 1 | no | — |
| 94 | C3⋊#168 | — | 4 | 1 | no | — |
| 95 | C3×#168 | — | 4 | 1 | no | — |
| 96 | C5×C3⋊C8 | — | 4 | 1 | no | — |
| 97 | C22×Dic6 | C2×D5 | 1 | 1 | yes | characteristic |
| 98 | C2×C3×M16 | — | 5 | 1 | no | — |
| 99 | C2×C3×M16 | C2×D5 | 1 | 1 | yes | characteristic |
| 100 | C3×#117 | — | 5 | 1 | no | — |
| 101 | #926 | — | 5 | 1 | no | — |
| 102 | C2×#208 | — | 5 | 1 | no | — |
| 103 | C2×#208 | C2×D5 | 1 | 1 | yes | characteristic |
| 104 | #887 | — | 10 | 2 | no | — |
| 105 | #877 | — | 5 | 4 | no | — |
| 106 | C4×Dic6 | — | 10 | 2 | no | — |
| 107 | #824 | — | 2 | 2 | no | — |
| 108 | #824 | — | 10 | 2 | no | — |
| 109 | C2×C5×Q8 | — | 3 | 2 | no | — |
| 110 | C2×C5×Q8 | — | 3 | 2 | no | — |
| 111 | C2×C5×Q8 | — | 6 | 1 | no | — |
| 112 | C2×C5×Q8 | — | 6 | 1 | no | — |
| 113 | C2×C5×Q8 | — | 6 | 1 | no | — |
| 114 | C2×C5×Q8 | — | 6 | 1 | no | — |
| 115 | C22×C4×C5 | — | 3 | 2 | no | — |
| 116 | C22×C4×C5 | C22×D3 | 1 | 1 | yes | characteristic |
| 117 | C5×M16 | — | 2 | 1 | no | — |
| 118 | C5×M16 | — | 2 | 1 | no | — |
| 119 | C5×M16 | — | 6 | 1 | no | — |
| 120 | C5×M16 | — | 6 | 1 | no | — |
| 121 | C2×C5×C8 | — | 2 | 1 | no | — |
| 122 | C2×C5×C8 | — | 6 | 1 | no | — |
| 123 | C22⋊Dic5 | — | 3 | 2 | no | — |
| 124 | C22⋊Dic5 | C4×D3 | 1 | 2 | yes | — |
| 125 | C4⋊Dic5 | — | 2 | 1 | no | — |
| 126 | C4⋊Dic5 | — | 6 | 4 | no | — |
| 127 | C4⋊Dic5 | — | 6 | 1 | no | — |
| 128 | C4×Dic5 | — | 2 | 1 | no | — |
| 129 | C4×Dic5 | — | 6 | 4 | no | — |
| 130 | C4×Dic5 | — | 6 | 1 | no | — |
| 131 | #681 | — | 2 | 1 | no | — |
| 132 | #681 | — | 2 | 1 | no | — |
| 133 | #681 | — | 6 | 1 | no | — |
| 134 | #681 | — | 6 | 1 | no | — |
| 135 | C2×#168 | — | 2 | 1 | no | — |
| 136 | C2×#168 | — | 6 | 1 | no | — |
| 137 | #519 | — | 15 | 1 | no | — |
| 138 | C2×#101 | — | 3 | 1 | no | — |
| 139 | C2×#101 | — | 15 | 1 | no | — |
| 140 | #344 | — | 5 | 1 | no | — |
| 141 | #344 | — | 15 | 1 | no | — |
| 142 | #344 | — | 15 | 1 | no | — |
| 143 | #344 | — | 15 | 1 | no | — |
| 144 | C22×C3×C5 | — | 4 | 1 | no | — |
| 145 | C22×C3×C5 | C2×C22⋊C4 | 1 | 1 | yes | characteristic |
| 146 | C22×C3×C5 | #117 | 1 | 1 | yes | characteristic |
| 147 | C22×C3×C5 | #117 | 1 | 1 | yes | characteristic |
| 148 | C3×C4×C5 | #123 | 1 | 1 | yes | characteristic |
| 149 | C3×C4×C5 | #123 | 1 | 1 | yes | characteristic |
| 150 | C3×C4×C5 | #123 | 1 | 1 | yes | characteristic |
| 151 | C3×C4×C5 | #123 | 1 | 1 | yes | characteristic |
| 152 | Dic15 | — | 4 | 2 | no | — |
| 153 | C3×Dic5 | — | 4 | 2 | no | — |
| 154 | C5×Dic3 | — | 2 | 4 | no | — |
| 155 | C22×C3×C4 | C22×D5 | 1 | 1 | yes | characteristic |
| 156 | C22×Dic3 | C4×D5 | 1 | 2 | yes | — |
| 157 | C2×Dic6 | — | 2 | 1 | no | — |
| 158 | C2×Dic6 | — | 2 | 1 | no | — |
| 159 | C2×Dic6 | — | 2 | 1 | no | — |
| 160 | C2×Dic6 | — | 2 | 1 | no | — |
| 161 | C2×Dic6 | D20 | 1 | 2 | yes | — |
| 162 | C2×Dic6 | C22⋊D5 | 1 | 2 | yes | — |
| 163 | C3×M16 | — | 2 | 1 | no | — |
| 164 | C3×M16 | — | 2 | 1 | no | — |
| 165 | C3×M16 | — | 10 | 1 | no | — |
| 166 | C3×M16 | — | 10 | 1 | no | — |
| 167 | C2×C3×C8 | — | 2 | 1 | no | — |
| 168 | C2×C3×C8 | — | 10 | 1 | no | — |
| 169 | C3×C4⋊C4 | — | 10 | 1 | no | — |
| 170 | C3×C22⋊C4 | — | 5 | 2 | no | — |
| 171 | C3×C42 | — | 10 | 1 | no | — |
| 172 | #217 | — | 5 | 2 | no | — |
| 173 | C4⋊Dic3 | — | 10 | 1 | no | — |
| 174 | Dic3⋊C4 | — | 10 | 4 | no | — |
| 175 | C4×Dic3 | — | 10 | 1 | no | — |
| 176 | C4×Dic3 | — | 10 | 4 | no | — |
| 177 | #208 | — | 2 | 1 | no | — |
| 178 | #208 | — | 2 | 1 | no | — |
| 179 | #208 | — | 10 | 1 | no | — |
| 180 | #208 | — | 10 | 1 | no | — |
| 181 | C2×C3⋊C8 | — | 2 | 1 | no | — |
| 182 | C2×C3⋊C8 | — | 10 | 1 | no | — |
| 183 | C23×C5 | C2×C4×D3 | 1 | 1 | yes | characteristic |
| 184 | C5×Q8 | — | 6 | 2 | no | — |
| 185 | C5×Q8 | — | 6 | 2 | no | — |
| 186 | C5×Q8 | — | 6 | 2 | no | — |
| 187 | C5×Q8 | — | 6 | 2 | no | — |
| 188 | C2×C4×C5 | — | 3 | 4 | no | — |
| 189 | C2×C4×C5 | — | 6 | 2 | no | — |
| 190 | C2×C4×C5 | — | 6 | 2 | no | — |
| 191 | C2×C4×C5 | #235 | 1 | 1 | yes | characteristic |
| 192 | C2×C4×C5 | #235 | 1 | 1 | yes | characteristic |
| 193 | C2×C4×C5 | D3×D4 | 1 | 1 | yes | characteristic |
| 194 | C2×C4×C5 | D3×D4 | 1 | 1 | yes | characteristic |
| 195 | C2×C4×C5 | #237 | 1 | 1 | yes | characteristic |
| 196 | C2×C4×C5 | #239 | 1 | 1 | yes | characteristic |
| 197 | C2×Dic5 | — | 2 | 2 | no | — |
| 198 | C2×Dic5 | — | 6 | 2 | no | — |
| 199 | C5×C8 | — | 4 | 1 | no | — |
| 200 | C5×C8 | — | 12 | 1 | no | — |
| 201 | #168 | — | 4 | 1 | no | — |
| 202 | #168 | — | 12 | 1 | no | — |
| 203 | C22×Q8 | — | 3 | 1 | no | — |
| 204 | C2×M16 | — | 3 | 1 | no | — |
| 205 | C2×M16 | — | 5 | 1 | no | — |
| 206 | C2×M16 | — | 15 | 1 | no | — |
| 207 | C2×M16 | D3×D5 | 1 | 1 | yes | characteristic |
| 208 | C4×Q8 | — | 30 | 2 | no | — |
| 209 | C4×Q8 | — | 30 | 2 | no | — |
| 210 | #117 | — | 5 | 1 | no | — |
| 211 | #117 | — | 15 | 4 | no | — |
| 212 | #117 | — | 15 | 1 | no | — |
| 213 | #101 | — | 6 | 2 | no | — |
| 214 | #101 | — | 30 | 2 | no | — |
| 215 | C2×C3×C5 | — | 2 | 1 | no | — |
| 216 | C2×C3×C5 | — | 2 | 1 | no | — |
| 217 | C2×C3×C5 | — | 2 | 1 | no | — |
| 218 | C2×C3×C5 | #381 | 1 | 1 | yes | characteristic |
| 219 | C23×C3 | C2×C4×D5 | 1 | 1 | yes | characteristic |
| 220 | C2×C3×C4 | — | 10 | 2 | no | — |
| 221 | C2×C3×C4 | C2×D20 | 1 | 1 | yes | characteristic |
| 222 | C2×C3×C4 | #711 | 1 | 1 | yes | characteristic |
| 223 | C2×C3×C4 | #711 | 1 | 1 | yes | characteristic |
| 224 | C2×C3×C4 | #711 | 1 | 1 | yes | characteristic |
| 225 | C2×C3×C4 | #711 | 1 | 1 | yes | characteristic |
| 226 | C2×C3×C4 | C2×C22⋊D5 | 1 | 1 | yes | characteristic |
| 227 | C2×Dic3 | — | 2 | 2 | no | — |
| 228 | C2×Dic3 | — | 2 | 2 | no | — |
| 229 | C2×Dic3 | — | 10 | 2 | no | — |
| 230 | C2×Dic3 | #685 | 1 | 4 | yes | — |
| 231 | Dic6 | — | 2 | 2 | no | — |
| 232 | Dic6 | — | 2 | 2 | no | — |
| 233 | Dic6 | — | 2 | 2 | no | — |
| 234 | Dic6 | — | 2 | 2 | no | — |
| 235 | C3×C8 | — | 4 | 1 | no | — |
| 236 | C3×C8 | — | 20 | 1 | no | — |
| 237 | C3⋊C8 | — | 4 | 1 | no | — |
| 238 | C3⋊C8 | — | 20 | 1 | no | — |
| 239 | C22×C5 | — | 4 | 1 | no | — |
| 240 | C22×C5 | #872 | 1 | 1 | yes | characteristic |
| 241 | C22×C5 | D3×C22⋊C4 | 1 | 1 | yes | characteristic |
| 242 | C22×C5 | #892 | 1 | 1 | yes | characteristic |
| 243 | C4×C5 | — | 6 | 4 | no | — |
| 244 | C4×C5 | #883 | 1 | 1 | yes | characteristic |
| 245 | C4×C5 | #883 | 1 | 1 | yes | characteristic |
| 246 | C4×C5 | #894 | 1 | 1 | yes | characteristic |
| 247 | C4×C5 | #894 | 1 | 1 | yes | characteristic |
| 248 | Dic5 | — | 4 | 2 | no | — |
| 249 | Dic5 | — | 12 | 2 | no | — |
| 250 | C2×Q8 | — | 3 | 2 | no | — |
| 251 | C2×Q8 | — | 3 | 2 | no | — |
| 252 | C2×Q8 | — | 6 | 1 | no | — |
| 253 | C2×Q8 | — | 6 | 1 | no | — |
| 254 | C2×Q8 | — | 6 | 1 | no | — |
| 255 | C2×Q8 | — | 6 | 1 | no | — |
| 256 | C22×C4 | — | 3 | 2 | no | — |
| 257 | C22×C4 | C2×D3×D5 | 1 | 1 | yes | characteristic |
| 258 | M16 | — | 2 | 1 | no | — |
| 259 | M16 | — | 2 | 1 | no | — |
| 260 | M16 | — | 6 | 1 | no | — |
| 261 | M16 | — | 6 | 1 | no | — |
| 262 | M16 | — | 10 | 1 | no | — |
| 263 | M16 | — | 10 | 1 | no | — |
| 264 | M16 | — | 30 | 1 | no | — |
| 265 | M16 | — | 30 | 1 | no | — |
| 266 | C2×C8 | — | 2 | 1 | no | — |
| 267 | C2×C8 | — | 6 | 1 | no | — |
| 268 | C2×C8 | — | 10 | 1 | no | — |
| 269 | C2×C8 | — | 30 | 1 | no | — |
| 270 | C4⋊C4 | — | 10 | 1 | no | — |
| 271 | C4⋊C4 | — | 30 | 4 | no | — |
| 272 | C4⋊C4 | — | 30 | 1 | no | — |
| 273 | C22⋊C4 | — | 5 | 2 | no | — |
| 274 | C22⋊C4 | — | 15 | 2 | no | — |
| 275 | C42 | — | 10 | 1 | no | — |
| 276 | C42 | — | 30 | 4 | no | — |
| 277 | C42 | — | 30 | 1 | no | — |
| 278 | C3×C5 | #1830 | 1 | 1 | yes | characteristic, complemented, Hall |
| 279 | C22×C3 | — | 4 | 1 | no | — |
| 280 | C22×C3 | #4023 | 1 | 1 | yes | characteristic |
| 281 | C22×C3 | #4023 | 1 | 1 | yes | characteristic |
| 282 | C22×C3 | C2×#685 | 1 | 1 | yes | characteristic |
| 283 | C3×C4 | — | 20 | 2 | no | — |
| 284 | C3×C4 | #4032 | 1 | 1 | yes | characteristic |
| 285 | C3×C4 | #4032 | 1 | 1 | yes | characteristic |
| 286 | C3×C4 | #4081 | 1 | 1 | yes | characteristic |
| 287 | C3×C4 | #4081 | 1 | 1 | yes | characteristic |
| 288 | Dic3 | — | 2 | 4 | no | — |
| 289 | Dic3 | — | 20 | 2 | no | — |
| 290 | C2×C5 | — | 2 | 1 | no | — |
| 291 | C2×C5 | — | 2 | 1 | no | — |
| 292 | C2×C5 | — | 2 | 1 | no | — |
| 293 | C2×C5 | #4664 | 1 | 1 | yes | characteristic |
| 294 | C23 | C4×D3×D5 | 1 | 1 | yes | characteristic |
| 295 | Q8 | — | 6 | 2 | no | — |
| 296 | Q8 | — | 6 | 2 | no | — |
| 297 | Q8 | — | 6 | 2 | no | — |
| 298 | Q8 | — | 6 | 2 | no | — |
| 299 | C2×C4 | — | 3 | 4 | no | — |
| 300 | C2×C4 | — | 6 | 2 | no | — |
| 301 | C2×C4 | — | 6 | 2 | no | — |
| 302 | C2×C4 | — | 10 | 2 | no | — |
| 303 | C2×C4 | — | 30 | 2 | no | — |
| 304 | C2×C4 | #6768 | 1 | 1 | yes | characteristic |
| 305 | C2×C4 | #6772 | 1 | 1 | yes | characteristic |
| 306 | C2×C4 | D3×D20 | 1 | 1 | yes | characteristic |
| 307 | C2×C4 | #6780 | 1 | 1 | yes | characteristic |
| 308 | C2×C4 | #6782 | 1 | 1 | yes | characteristic |
| 309 | C2×C4 | D3×C22⋊D5 | 1 | 1 | yes | characteristic |
| 310 | C8 | — | 4 | 1 | no | — |
| 311 | C8 | — | 12 | 1 | no | — |
| 312 | C8 | — | 20 | 1 | no | — |
| 313 | C8 | — | 60 | 1 | no | — |
| 314 | C2×C3 | — | 2 | 1 | no | — |
| 315 | C2×C3 | — | 2 | 1 | no | — |
| 316 | C2×C3 | — | 2 | 1 | no | — |
| 317 | C2×C3 | #65232 | 1 | 1 | yes | characteristic |
| 318 | C5 | #69029 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 319 | C22 | — | 4 | 1 | no | — |
| 320 | C22 | #91398 | 1 | 1 | yes | characteristic |
| 321 | C22 | #91400 | 1 | 1 | yes | characteristic |
| 322 | C22 | D3×#685 | 1 | 1 | yes | characteristic |
| 323 | C4 | — | 6 | 4 | no | — |
| 324 | C4 | — | 20 | 2 | no | — |
| 325 | C4 | — | 60 | 2 | no | — |
| 326 | C4 | #91423 | 1 | 1 | yes | characteristic |
| 327 | C4 | #91427 | 1 | 1 | yes | characteristic |
| 328 | C4 | #91457 | 1 | 1 | yes | characteristic |
| 329 | C4 | #91555 | 1 | 1 | yes | characteristic |
| 330 | C3 | #10600894 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 331 | C2 | — | 2 | 1 | no | — |
| 332 | C2 | — | 2 | 1 | no | — |
| 333 | C2 | — | 2 | 1 | no | — |
| 334 | C2 | #11748880 | 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