← #18080791
Subgroups — #18080791
Order 4864.
366 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 | #14562387 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | #14562026 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C2×D4⋊(C19⋊C8) | C2 | 1 | 1 | yes | maximal, characteristic |
| 4 | #14561922 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 5 | #14561486 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 6 | #14561473 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 7 | C4×C19×#100 | C2 | 1 | 1 | yes | maximal, characteristic |
| 8 | #11926597 | C22 | 1 | 1 | yes | characteristic |
| 9 | #11926597 | C22 | 1 | 1 | yes | characteristic |
| 10 | C2×C4⋊(C19⋊C8) | C22 | 1 | 1 | yes | characteristic |
| 11 | C2×C4×C19⋊C8 | C22 | 1 | 1 | yes | characteristic |
| 12 | #11926297 | — | 2 | 1 | no | — |
| 13 | #11926295 | — | 2 | 1 | no | — |
| 14 | D4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 15 | D4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 16 | D4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 17 | D4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 18 | #11926266 | — | 2 | 1 | no | — |
| 19 | #11926266 | — | 2 | 1 | no | — |
| 20 | C2×C4×D4×C19 | C22 | 1 | 1 | yes | characteristic |
| 21 | C2×C19×#100 | C4 | 1 | 1 | yes | characteristic |
| 22 | C2×C19×#100 | C4 | 1 | 1 | yes | characteristic |
| 23 | C4×M16×C19 | C22 | 1 | 1 | yes | characteristic |
| 24 | C4×M16×C19 | C22 | 1 | 1 | yes | characteristic |
| 25 | C19×#343 | C4 | 1 | 1 | yes | characteristic |
| 26 | C19×#343 | C4 | 1 | 1 | yes | characteristic |
| 27 | C22×D4×C19 | C2×C4 | 1 | 1 | yes | characteristic |
| 28 | C23×C4×C19 | — | 2 | 1 | no | — |
| 29 | C2×M16×C19 | C2×C4 | 1 | 1 | yes | characteristic |
| 30 | C2×M16×C19 | C2×C4 | 1 | 1 | yes | characteristic |
| 31 | C2×M16×C19 | C2×C4 | 1 | 1 | yes | characteristic |
| 32 | C2×M16×C19 | C2×C4 | 1 | 1 | yes | characteristic |
| 33 | C4×D4×C19 | — | 2 | 1 | no | — |
| 34 | C4×D4×C19 | — | 2 | 1 | no | — |
| 35 | C4×D4×C19 | — | 2 | 1 | no | — |
| 36 | C4×D4×C19 | — | 2 | 1 | no | — |
| 37 | C2×C4⋊C4×C19 | C2×C4 | 1 | 1 | yes | characteristic |
| 38 | C2×C22⋊C4×C19 | — | 2 | 1 | no | — |
| 39 | C2×C42×C19 | C23 | 1 | 1 | yes | characteristic |
| 40 | C22×C19⋊C8 | — | 2 | 1 | no | — |
| 41 | C22×C19⋊C8 | — | 2 | 1 | no | — |
| 42 | C19×#100 | — | 2 | 2 | no | — |
| 43 | C19×#100 | — | 2 | 2 | no | — |
| 44 | C19×#97 | — | 2 | 1 | no | — |
| 45 | C19×#97 | — | 2 | 1 | no | — |
| 46 | C4×C8×C19 | — | 2 | 1 | no | — |
| 47 | C4×C8×C19 | — | 2 | 1 | no | — |
| 48 | C22⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 49 | C22⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 50 | C4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 51 | C4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 52 | C4⋊(C19⋊C8) | — | 2 | 1 | no | — |
| 53 | C4⋊(C19⋊C8) | D4 | 1 | 1 | yes | characteristic |
| 54 | C4⋊(C19⋊C8) | D4 | 1 | 1 | yes | characteristic |
| 55 | C4×C19⋊C8 | — | 2 | 1 | no | — |
| 56 | C4×C19⋊C8 | — | 2 | 1 | no | — |
| 57 | C4×C19⋊C8 | — | 2 | 1 | no | — |
| 58 | C4×C19⋊C8 | D4 | 1 | 1 | yes | characteristic |
| 59 | C4×C19⋊C8 | D4 | 1 | 1 | yes | characteristic |
| 60 | C24×C19 | — | 2 | 1 | no | — |
| 61 | C2×D4×C19 | — | 2 | 1 | no | — |
| 62 | C2×D4×C19 | — | 2 | 1 | no | — |
| 63 | C2×D4×C19 | — | 2 | 1 | no | — |
| 64 | C2×D4×C19 | — | 2 | 1 | no | — |
| 65 | C2×D4×C19 | — | 2 | 1 | no | — |
| 66 | C2×D4×C19 | M16 | 1 | 2 | yes | — |
| 67 | C22×C4×C19 | — | 2 | 1 | no | — |
| 68 | C22×C4×C19 | — | 4 | 1 | no | — |
| 69 | C22×C4×C19 | — | 4 | 1 | no | — |
| 70 | C22×C4×C19 | — | 8 | 1 | no | — |
| 71 | C22×C4×C19 | — | 8 | 1 | no | — |
| 72 | C22×C4×C19 | C22×C4 | 1 | 1 | yes | characteristic |
| 73 | C22×C4×C19 | #41 | 1 | 1 | yes | characteristic |
| 74 | C22×C4×C19 | #41 | 1 | 1 | yes | characteristic |
| 75 | M16×C19 | — | 2 | 1 | no | — |
| 76 | M16×C19 | — | 2 | 1 | no | — |
| 77 | M16×C19 | — | 2 | 1 | no | — |
| 78 | M16×C19 | — | 2 | 1 | no | — |
| 79 | M16×C19 | — | 2 | 1 | no | — |
| 80 | M16×C19 | — | 2 | 1 | no | — |
| 81 | M16×C19 | — | 2 | 1 | no | — |
| 82 | M16×C19 | M16 | 1 | 2 | yes | — |
| 83 | C2×C8×C19 | — | 2 | 1 | no | — |
| 84 | C2×C8×C19 | — | 2 | 1 | no | — |
| 85 | C2×C8×C19 | — | 2 | 1 | no | — |
| 86 | C2×C8×C19 | — | 2 | 1 | no | — |
| 87 | C4⋊C4×C19 | — | 2 | 1 | no | — |
| 88 | C4⋊C4×C19 | — | 2 | 1 | no | — |
| 89 | C22⋊C4×C19 | — | 4 | 1 | no | — |
| 90 | C22⋊C4×C19 | — | 4 | 1 | no | — |
| 91 | C42×C19 | C2×D4 | 1 | 1 | yes | characteristic |
| 92 | C42×C19 | C2×D4 | 1 | 1 | yes | characteristic |
| 93 | C42×C19 | #41 | 1 | 1 | yes | characteristic |
| 94 | C42×C19 | #41 | 1 | 1 | yes | characteristic |
| 95 | C2×C19⋊C8 | — | 2 | 1 | no | — |
| 96 | C2×C19⋊C8 | — | 2 | 1 | no | — |
| 97 | C2×C19⋊C8 | — | 2 | 1 | no | — |
| 98 | C2×C19⋊C8 | — | 2 | 1 | no | — |
| 99 | C2×C19⋊C8 | — | 4 | 2 | no | — |
| 100 | C2×C19⋊C8 | — | 4 | 1 | no | — |
| 101 | C2×C19⋊C8 | — | 4 | 1 | no | — |
| 102 | C2×C19⋊C8 | — | 8 | 1 | no | — |
| 103 | #9552 | — | 19 | 1 | no | maximal, Sylow |
| 104 | C23×C19 | — | 2 | 2 | no | — |
| 105 | C23×C19 | — | 4 | 1 | no | — |
| 106 | C23×C19 | — | 4 | 1 | no | — |
| 107 | C23×C19 | — | 8 | 1 | no | — |
| 108 | C23×C19 | — | 8 | 1 | no | — |
| 109 | C23×C19 | #117 | 1 | 1 | yes | characteristic |
| 110 | D4×C19 | — | 2 | 2 | no | — |
| 111 | D4×C19 | — | 2 | 2 | no | — |
| 112 | D4×C19 | — | 4 | 1 | no | — |
| 113 | D4×C19 | — | 4 | 1 | no | — |
| 114 | C2×C4×C19 | — | 2 | 1 | no | — |
| 115 | C2×C4×C19 | — | 2 | 1 | no | — |
| 116 | C2×C4×C19 | — | 4 | 1 | no | — |
| 117 | C2×C4×C19 | — | 4 | 1 | no | — |
| 118 | C2×C4×C19 | — | 8 | 2 | no | — |
| 119 | C2×C4×C19 | — | 8 | 1 | no | — |
| 120 | C2×C4×C19 | — | 8 | 1 | no | — |
| 121 | C2×C4×C19 | — | 8 | 1 | no | — |
| 122 | C2×C4×C19 | C4×D4 | 1 | 1 | yes | characteristic |
| 123 | C2×C4×C19 | C4×D4 | 1 | 1 | yes | characteristic |
| 124 | C2×C4×C19 | #121 | 1 | 1 | yes | characteristic |
| 125 | C2×C4×C19 | #123 | 1 | 1 | yes | characteristic |
| 126 | C2×C4×C19 | #124 | 1 | 1 | yes | characteristic |
| 127 | C2×C4×C19 | #126 | 1 | 1 | yes | characteristic |
| 128 | C2×C4×C19 | C2×M16 | 1 | 1 | yes | characteristic |
| 129 | C2×C4×C19 | C2×M16 | 1 | 1 | yes | characteristic |
| 130 | C2×C4×C19 | #131 | 1 | 1 | yes | characteristic |
| 131 | C2×C4×C19 | #131 | 1 | 1 | yes | characteristic |
| 132 | C8×C19 | — | 2 | 2 | no | — |
| 133 | C8×C19 | — | 4 | 1 | no | — |
| 134 | C8×C19 | — | 4 | 1 | no | — |
| 135 | C8×C19 | — | 4 | 1 | no | — |
| 136 | C19⋊C8 | — | 2 | 2 | no | — |
| 137 | C19⋊C8 | — | 4 | 1 | no | — |
| 138 | C19⋊C8 | — | 4 | 1 | no | — |
| 139 | C19⋊C8 | — | 4 | 1 | no | — |
| 140 | C19⋊C8 | — | 8 | 1 | no | — |
| 141 | C19⋊C8 | — | 8 | 1 | no | — |
| 142 | C4×#100 | D19 | 1 | 1 | yes | characteristic |
| 143 | #1565 | — | 19 | 1 | no | — |
| 144 | #1478 | — | 19 | 1 | no | — |
| 145 | C2×D4⋊C8 | — | 19 | 1 | no | — |
| 146 | #1451 | — | 19 | 1 | no | — |
| 147 | #1283 | — | 19 | 1 | no | — |
| 148 | #1278 | — | 19 | 1 | no | — |
| 149 | C22×C19 | — | 2 | 1 | no | — |
| 150 | C22×C19 | — | 2 | 1 | no | — |
| 151 | C22×C19 | — | 4 | 2 | no | — |
| 152 | C22×C19 | — | 8 | 2 | no | — |
| 153 | C22×C19 | — | 8 | 2 | no | — |
| 154 | C22×C19 | — | 8 | 1 | no | — |
| 155 | C22×C19 | — | 8 | 1 | no | — |
| 156 | C22×C19 | #388 | 1 | 1 | yes | characteristic |
| 157 | C22×C19 | #432 | 1 | 1 | yes | characteristic |
| 158 | C22×C19 | #433 | 1 | 1 | yes | characteristic |
| 159 | C4×C19 | — | 2 | 1 | no | — |
| 160 | C4×C19 | — | 2 | 1 | no | — |
| 161 | C4×C19 | — | 2 | 1 | no | — |
| 162 | C4×C19 | — | 8 | 1 | no | — |
| 163 | C4×C19 | #435 | 1 | 1 | yes | characteristic |
| 164 | C4×C19 | #435 | 1 | 1 | yes | characteristic |
| 165 | C4×C19 | #435 | 1 | 1 | yes | characteristic |
| 166 | C4×C19 | #436 | 1 | 1 | yes | characteristic |
| 167 | C4×C19 | #471 | 1 | 1 | yes | characteristic |
| 168 | C4×C19 | #472 | 1 | 1 | yes | characteristic |
| 169 | C2×C4×D4 | C2×D19 | 1 | 1 | yes | characteristic |
| 170 | #431 | — | 19 | 1 | no | — |
| 171 | #431 | — | 19 | 1 | no | — |
| 172 | C2×C4⋊C8 | — | 19 | 1 | no | — |
| 173 | C2×#100 | Dic19 | 1 | 1 | yes | characteristic |
| 174 | C2×#100 | Dic19 | 1 | 1 | yes | characteristic |
| 175 | C4×M16 | C2×D19 | 1 | 1 | yes | characteristic |
| 176 | C4×M16 | C2×D19 | 1 | 1 | yes | characteristic |
| 177 | C2×C4×C8 | — | 19 | 1 | no | — |
| 178 | #343 | Dic19 | 1 | 1 | yes | characteristic |
| 179 | #343 | Dic19 | 1 | 1 | yes | characteristic |
| 180 | #335 | — | 38 | 1 | no | — |
| 181 | #334 | — | 38 | 1 | no | — |
| 182 | D4⋊C8 | — | 38 | 1 | no | — |
| 183 | D4⋊C8 | — | 38 | 1 | no | — |
| 184 | D4⋊C8 | — | 38 | 1 | no | — |
| 185 | D4⋊C8 | — | 38 | 1 | no | — |
| 186 | #322 | — | 38 | 1 | no | — |
| 187 | #322 | — | 38 | 1 | no | — |
| 188 | C2×C19 | — | 2 | 1 | no | — |
| 189 | C2×C19 | — | 2 | 1 | no | — |
| 190 | C2×C19 | — | 8 | 2 | no | — |
| 191 | C2×C19 | #1924 | 1 | 1 | yes | characteristic |
| 192 | C2×C19 | #1931 | 1 | 1 | yes | characteristic |
| 193 | C2×C19 | #1932 | 1 | 1 | yes | characteristic |
| 194 | C22×D4 | C2×Dic19 | 1 | 1 | yes | characteristic |
| 195 | C23×C4 | — | 2 | 1 | no | — |
| 196 | C2×M16 | C2×Dic19 | 1 | 1 | yes | characteristic |
| 197 | C2×M16 | C2×Dic19 | 1 | 1 | yes | characteristic |
| 198 | C2×M16 | C2×Dic19 | 1 | 1 | yes | characteristic |
| 199 | C2×M16 | C2×Dic19 | 1 | 1 | yes | characteristic |
| 200 | C22×C8 | — | 38 | 1 | no | — |
| 201 | C22×C8 | — | 38 | 1 | no | — |
| 202 | C4×D4 | — | 2 | 1 | no | — |
| 203 | C4×D4 | — | 2 | 1 | no | — |
| 204 | C4×D4 | — | 2 | 1 | no | — |
| 205 | C4×D4 | — | 2 | 1 | no | — |
| 206 | C2×C4⋊C4 | C2×Dic19 | 1 | 1 | yes | characteristic |
| 207 | C2×C22⋊C4 | — | 2 | 1 | no | — |
| 208 | C2×C42 | C22×D19 | 1 | 1 | yes | characteristic |
| 209 | C4⋊C8 | — | 19 | 1 | no | — |
| 210 | C4⋊C8 | — | 19 | 1 | no | — |
| 211 | C4⋊C8 | — | 38 | 1 | no | — |
| 212 | C4⋊C8 | — | 38 | 1 | no | — |
| 213 | C4⋊C8 | — | 38 | 1 | no | — |
| 214 | #100 | — | 2 | 2 | no | — |
| 215 | #100 | — | 2 | 2 | no | — |
| 216 | C22⋊C8 | — | 38 | 1 | no | — |
| 217 | C22⋊C8 | — | 38 | 1 | no | — |
| 218 | #97 | — | 2 | 1 | no | — |
| 219 | #97 | — | 2 | 1 | no | — |
| 220 | C4×C8 | — | 2 | 1 | no | — |
| 221 | C4×C8 | — | 2 | 1 | no | — |
| 222 | C4×C8 | — | 19 | 1 | no | — |
| 223 | C4×C8 | — | 19 | 1 | no | — |
| 224 | C4×C8 | — | 38 | 1 | no | — |
| 225 | C4×C8 | — | 38 | 1 | no | — |
| 226 | C4×C8 | — | 38 | 1 | no | — |
| 227 | C19 | #9552 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 228 | C24 | — | 2 | 1 | no | — |
| 229 | C2×D4 | — | 2 | 1 | no | — |
| 230 | C2×D4 | — | 2 | 1 | no | — |
| 231 | C2×D4 | — | 2 | 1 | no | — |
| 232 | C2×D4 | — | 2 | 1 | no | — |
| 233 | C2×D4 | — | 2 | 1 | no | — |
| 234 | C2×D4 | #64520 | 1 | 2 | yes | — |
| 235 | C22×C4 | — | 2 | 1 | no | — |
| 236 | C22×C4 | — | 4 | 1 | no | — |
| 237 | C22×C4 | — | 4 | 1 | no | — |
| 238 | C22×C4 | — | 8 | 1 | no | — |
| 239 | C22×C4 | — | 8 | 1 | no | — |
| 240 | C22×C4 | #64541 | 1 | 1 | yes | characteristic |
| 241 | C22×C4 | #64541 | 1 | 1 | yes | characteristic |
| 242 | C22×C4 | C22×Dic19 | 1 | 1 | yes | characteristic |
| 243 | M16 | — | 2 | 1 | no | — |
| 244 | M16 | — | 2 | 1 | no | — |
| 245 | M16 | — | 2 | 1 | no | — |
| 246 | M16 | — | 2 | 1 | no | — |
| 247 | M16 | — | 2 | 1 | no | — |
| 248 | M16 | — | 2 | 1 | no | — |
| 249 | M16 | — | 2 | 1 | no | — |
| 250 | M16 | #64520 | 1 | 2 | yes | — |
| 251 | C2×C8 | — | 2 | 1 | no | — |
| 252 | C2×C8 | — | 2 | 1 | no | — |
| 253 | C2×C8 | — | 2 | 1 | no | — |
| 254 | C2×C8 | — | 2 | 1 | no | — |
| 255 | C2×C8 | — | 38 | 1 | no | — |
| 256 | C2×C8 | — | 38 | 1 | no | — |
| 257 | C2×C8 | — | 38 | 1 | no | — |
| 258 | C2×C8 | — | 38 | 1 | no | — |
| 259 | C2×C8 | — | 76 | 2 | no | — |
| 260 | C2×C8 | — | 76 | 1 | no | — |
| 261 | C2×C8 | — | 76 | 1 | no | — |
| 262 | C2×C8 | — | 152 | 1 | no | — |
| 263 | C4⋊C4 | — | 2 | 1 | no | — |
| 264 | C4⋊C4 | — | 2 | 1 | no | — |
| 265 | C22⋊C4 | — | 4 | 1 | no | — |
| 266 | C22⋊C4 | — | 4 | 1 | no | — |
| 267 | C42 | D4×D19 | 1 | 1 | yes | characteristic |
| 268 | C42 | D4×D19 | 1 | 1 | yes | characteristic |
| 269 | C42 | #64543 | 1 | 1 | yes | characteristic |
| 270 | C42 | #64543 | 1 | 1 | yes | characteristic |
| 271 | C23 | — | 2 | 2 | no | — |
| 272 | C23 | — | 4 | 1 | no | — |
| 273 | C23 | — | 4 | 1 | no | — |
| 274 | C23 | — | 8 | 1 | no | — |
| 275 | C23 | — | 8 | 1 | no | — |
| 276 | C23 | #10597372 | 1 | 1 | yes | characteristic |
| 277 | D4 | — | 2 | 2 | no | — |
| 278 | D4 | — | 2 | 2 | no | — |
| 279 | D4 | — | 4 | 1 | no | — |
| 280 | D4 | — | 4 | 1 | no | — |
| 281 | C2×C4 | — | 2 | 1 | no | — |
| 282 | C2×C4 | — | 2 | 1 | no | — |
| 283 | C2×C4 | — | 4 | 1 | no | — |
| 284 | C2×C4 | — | 4 | 1 | no | — |
| 285 | C2×C4 | — | 8 | 2 | no | — |
| 286 | C2×C4 | — | 8 | 1 | no | — |
| 287 | C2×C4 | — | 8 | 1 | no | — |
| 288 | C2×C4 | — | 8 | 1 | no | — |
| 289 | C2×C4 | #10597325 | 1 | 1 | yes | characteristic |
| 290 | C2×C4 | #10597329 | 1 | 1 | yes | characteristic |
| 291 | C2×C4 | #10597330 | 1 | 1 | yes | characteristic |
| 292 | C2×C4 | #10597331 | 1 | 1 | yes | characteristic |
| 293 | C2×C4 | C2×#64520 | 1 | 1 | yes | characteristic |
| 294 | C2×C4 | C2×#64520 | 1 | 1 | yes | characteristic |
| 295 | C2×C4 | D4×Dic19 | 1 | 1 | yes | characteristic |
| 296 | C2×C4 | D4×Dic19 | 1 | 1 | yes | characteristic |
| 297 | C2×C4 | #10597394 | 1 | 1 | yes | characteristic |
| 298 | C2×C4 | #10597394 | 1 | 1 | yes | characteristic |
| 299 | C8 | — | 2 | 2 | no | — |
| 300 | C8 | — | 4 | 1 | no | — |
| 301 | C8 | — | 4 | 1 | no | — |
| 302 | C8 | — | 4 | 1 | no | — |
| 303 | C8 | — | 38 | 2 | no | — |
| 304 | C8 | — | 76 | 1 | no | — |
| 305 | C8 | — | 76 | 1 | no | — |
| 306 | C8 | — | 76 | 1 | no | — |
| 307 | C8 | — | 152 | 1 | no | — |
| 308 | C8 | — | 152 | 1 | no | — |
| 309 | C22 | — | 2 | 1 | no | — |
| 310 | C22 | — | 2 | 1 | no | — |
| 311 | C22 | — | 4 | 2 | no | — |
| 312 | C22 | — | 8 | 2 | no | — |
| 313 | C22 | — | 8 | 2 | no | — |
| 314 | C22 | — | 8 | 1 | no | — |
| 315 | C22 | — | 8 | 1 | no | — |
| 316 | C22 | #11926437 | 1 | 1 | yes | characteristic |
| 317 | C22 | #11926601 | 1 | 1 | yes | characteristic |
| 318 | C22 | #11926605 | 1 | 1 | yes | characteristic |
| 319 | C4 | — | 2 | 1 | no | — |
| 320 | C4 | — | 2 | 1 | no | — |
| 321 | C4 | — | 2 | 1 | no | — |
| 322 | C4 | — | 8 | 1 | no | — |
| 323 | C4 | #11926616 | 1 | 1 | yes | characteristic |
| 324 | C4 | #11926616 | 1 | 1 | yes | characteristic |
| 325 | C4 | #11926616 | 1 | 1 | yes | characteristic |
| 326 | C4 | #11926622 | 1 | 1 | yes | characteristic |
| 327 | C4 | #11926806 | 1 | 1 | yes | characteristic |
| 328 | C4 | #11926813 | 1 | 1 | yes | characteristic |
| 329 | C2 | — | 2 | 1 | no | — |
| 330 | C2 | — | 2 | 1 | no | — |
| 331 | C2 | — | 8 | 2 | no | — |
| 332 | C2 | #14564250 | 1 | 1 | yes | characteristic |
| 333 | C2 | #14564299 | 1 | 1 | yes | characteristic |
| 334 | C2 | #14564306 | 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