← #14299592
Subgroups — #14299592
Order 1920.
648 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 | C3×#66132 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×#91117 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C5×#5221 | C2 | 1 | 1 | yes | maximal, characteristic |
| 4 | #11748472 | C2 | 1 | 2 | yes | maximal, complemented |
| 5 | #11745974 | C2 | 1 | 2 | yes | maximal, complemented |
| 6 | #10600435 | — | 3 | 1 | no | maximal, Hall |
| 7 | C22×C3×C5×D4 | C22 | 1 | 1 | yes | characteristic |
| 8 | C2×#6710 | C22 | 1 | 2 | yes | — |
| 9 | C2×C5×#217 | — | 2 | 2 | no | — |
| 10 | C2×C5×C4⋊Dic3 | C22 | 1 | 1 | yes | characteristic |
| 11 | C2×C4×C5×Dic3 | C22 | 1 | 1 | yes | characteristic |
| 12 | C2×C3×C22⋊Dic5 | — | 2 | 2 | no | — |
| 13 | C3×D4×Dic5 | — | 2 | 2 | no | — |
| 14 | C3×D4×Dic5 | — | 2 | 2 | no | — |
| 15 | C3×#4072 | C22 | 1 | 2 | yes | — |
| 16 | #91117 | C4 | 1 | 4 | yes | complemented |
| 17 | #90989 | — | 2 | 2 | no | — |
| 18 | #90986 | — | 2 | 2 | no | — |
| 19 | #71647 | — | 5 | 1 | no | maximal, Hall |
| 20 | #66132 | D3 | 1 | 1 | yes | characteristic |
| 21 | C5×#390 | — | 3 | 1 | no | — |
| 22 | C2×#3965 | — | 3 | 1 | no | — |
| 23 | #65253 | — | 3 | 2 | no | — |
| 24 | #64743 | — | 3 | 2 | no | — |
| 25 | C24×C3×C5 | D4 | 1 | 2 | yes | — |
| 26 | C2×C3×C5×D4 | — | 2 | 2 | no | — |
| 27 | C2×C3×C5×D4 | — | 2 | 2 | no | — |
| 28 | C2×C3×C5×D4 | C2×C4 | 1 | 2 | yes | — |
| 29 | C2×C3×C5×D4 | Q8 | 1 | 2 | yes | — |
| 30 | C22×C3×C4×C5 | C23 | 1 | 1 | yes | characteristic |
| 31 | C22×C5×Dic3 | — | 2 | 1 | no | — |
| 32 | C22×C5×Dic3 | — | 2 | 1 | no | — |
| 33 | C22×C3×Dic5 | — | 2 | 2 | no | — |
| 34 | C22×C3×Dic5 | — | 2 | 2 | no | — |
| 35 | #6710 | — | 2 | 2 | no | — |
| 36 | #6710 | C2×C4 | 1 | 4 | yes | complemented |
| 37 | C2×C3⋊#168 | — | 2 | 2 | no | — |
| 38 | C5×#217 | — | 4 | 4 | no | — |
| 39 | C5×C4⋊Dic3 | — | 2 | 2 | no | — |
| 40 | C4×C5×Dic3 | — | 2 | 2 | no | — |
| 41 | C3×C22⋊Dic5 | — | 2 | 4 | no | — |
| 42 | C3×C22⋊Dic5 | — | 2 | 2 | no | — |
| 43 | C3×C4⋊Dic5 | D4 | 1 | 2 | yes | — |
| 44 | C3×C4⋊Dic5 | D4 | 1 | 2 | yes | — |
| 45 | C3×C4×Dic5 | — | 2 | 2 | no | — |
| 46 | C3×#518 | — | 5 | 1 | no | — |
| 47 | #5221 | D5 | 1 | 1 | yes | characteristic |
| 48 | C2×#833 | — | 5 | 1 | no | — |
| 49 | #4995 | — | 5 | 2 | no | — |
| 50 | #4532 | — | 5 | 2 | no | — |
| 51 | C22×C5×D4 | C2×D3 | 1 | 1 | yes | characteristic |
| 52 | C2×C5×C4⋊C4 | — | 3 | 1 | no | — |
| 53 | C2×C5×C22⋊C4 | — | 6 | 2 | no | — |
| 54 | C2×C42×C5 | — | 3 | 1 | no | — |
| 55 | C2×C22⋊Dic5 | — | 2 | 2 | no | — |
| 56 | D4×Dic5 | — | 2 | 2 | no | — |
| 57 | D4×Dic5 | — | 2 | 2 | no | — |
| 58 | #4072 | C2×D3 | 1 | 2 | yes | — |
| 59 | C2×#681 | — | 3 | 2 | no | — |
| 60 | #3965 | — | 3 | 4 | no | — |
| 61 | #3940 | — | 6 | 2 | no | — |
| 62 | #3939 | — | 6 | 2 | no | — |
| 63 | #1856 | — | 15 | 1 | no | Sylow |
| 64 | C23×C3×C5 | — | 2 | 2 | no | — |
| 65 | C23×C3×C5 | — | 2 | 2 | no | — |
| 66 | C23×C3×C5 | — | 4 | 2 | no | — |
| 67 | C23×C3×C5 | — | 4 | 2 | no | — |
| 68 | C23×C3×C5 | C4⋊C4 | 1 | 4 | yes | — |
| 69 | C23×C3×C5 | C2×D4 | 1 | 1 | yes | characteristic |
| 70 | C3×C5×D4 | — | 2 | 4 | no | — |
| 71 | C3×C5×D4 | — | 2 | 4 | no | — |
| 72 | C2×C3×C4×C5 | C22×C4 | 1 | 1 | yes | characteristic |
| 73 | C2×C3×C4×C5 | C2×D4 | 1 | 2 | yes | — |
| 74 | C2×C3×C4×C5 | C2×Q8 | 1 | 1 | yes | characteristic |
| 75 | C2×C3×C4×C5 | #41 | 1 | 2 | yes | — |
| 76 | C2×C5×Dic3 | — | 2 | 2 | no | — |
| 77 | C2×C5×Dic3 | — | 4 | 1 | no | — |
| 78 | C2×C5×Dic3 | — | 4 | 1 | no | — |
| 79 | C2×C5×Dic3 | — | 4 | 2 | no | — |
| 80 | C2×C5×Dic3 | — | 4 | 1 | no | — |
| 81 | C2×C3×Dic5 | — | 2 | 2 | no | — |
| 82 | C2×C3×Dic5 | — | 2 | 2 | no | — |
| 83 | C2×C3×Dic5 | — | 8 | 2 | no | — |
| 84 | C2×C3×Dic5 | — | 8 | 2 | no | — |
| 85 | C3⋊#168 | — | 2 | 4 | no | — |
| 86 | C22×C3×D4 | C2×D5 | 1 | 1 | yes | characteristic |
| 87 | C3×C4×D4 | — | 10 | 2 | no | — |
| 88 | C3×C4×D4 | — | 10 | 2 | no | — |
| 89 | C3×#117 | — | 5 | 2 | no | — |
| 90 | C2×C3×C22⋊C4 | — | 10 | 2 | no | — |
| 91 | C2×#217 | — | 2 | 2 | no | — |
| 92 | C2×C4⋊Dic3 | C2×D5 | 1 | 1 | yes | characteristic |
| 93 | C2×C4×Dic3 | C2×D5 | 1 | 1 | yes | characteristic |
| 94 | C2×#208 | — | 5 | 2 | no | — |
| 95 | #833 | — | 5 | 4 | no | — |
| 96 | #808 | — | 10 | 2 | no | — |
| 97 | #807 | — | 10 | 2 | no | — |
| 98 | C24×C5 | #67 | 1 | 2 | yes | — |
| 99 | C2×C5×D4 | — | 2 | 2 | no | — |
| 100 | C2×C5×D4 | — | 2 | 2 | no | — |
| 101 | C2×C5×D4 | Dic6 | 1 | 2 | yes | — |
| 102 | C2×C5×D4 | C4×D3 | 1 | 2 | yes | — |
| 103 | C22×C4×C5 | — | 6 | 1 | no | — |
| 104 | C22×C4×C5 | — | 6 | 1 | no | — |
| 105 | C22×C4×C5 | C22×D3 | 1 | 1 | yes | characteristic |
| 106 | C22×Dic5 | — | 2 | 2 | no | — |
| 107 | C22×Dic5 | — | 2 | 2 | no | — |
| 108 | C5×C4⋊C4 | — | 6 | 2 | no | — |
| 109 | C5×C22⋊C4 | — | 12 | 4 | no | — |
| 110 | C42×C5 | — | 6 | 2 | no | — |
| 111 | C22⋊Dic5 | — | 2 | 4 | no | — |
| 112 | C22⋊Dic5 | — | 2 | 2 | no | — |
| 113 | C4⋊Dic5 | #67 | 1 | 2 | yes | — |
| 114 | C4⋊Dic5 | #67 | 1 | 2 | yes | — |
| 115 | C4×Dic5 | — | 2 | 2 | no | — |
| 116 | #681 | — | 3 | 4 | no | — |
| 117 | #681 | — | 6 | 2 | no | — |
| 118 | C2×#168 | — | 6 | 2 | no | — |
| 119 | #518 | — | 5 | 1 | no | — |
| 120 | #428 | — | 15 | 2 | no | — |
| 121 | C2×#100 | — | 15 | 1 | no | — |
| 122 | #390 | — | 3 | 1 | no | — |
| 123 | #339 | — | 15 | 2 | no | — |
| 124 | C22×C3×C5 | — | 2 | 1 | no | — |
| 125 | C22×C3×C5 | — | 2 | 1 | no | — |
| 126 | C22×C3×C5 | — | 2 | 4 | no | — |
| 127 | C22×C3×C5 | — | 4 | 4 | no | — |
| 128 | C22×C3×C5 | — | 4 | 2 | no | — |
| 129 | C22×C3×C5 | — | 4 | 2 | no | — |
| 130 | C22×C3×C5 | — | 8 | 2 | no | — |
| 131 | C22×C3×C5 | C2×C4⋊C4 | 1 | 1 | yes | characteristic |
| 132 | C22×C3×C5 | #120 | 1 | 1 | yes | characteristic |
| 133 | C22×C3×C5 | #123 | 1 | 1 | yes | characteristic |
| 134 | C3×C4×C5 | C4×D4 | 1 | 2 | yes | — |
| 135 | C3×C4×C5 | C22⋊Q8 | 1 | 2 | yes | — |
| 136 | C3×Dic5 | — | 4 | 2 | no | — |
| 137 | C3×Dic5 | — | 4 | 2 | no | — |
| 138 | C5×Dic3 | — | 4 | 2 | no | — |
| 139 | C5×Dic3 | — | 8 | 1 | no | — |
| 140 | C24×C3 | C22⋊D5 | 1 | 2 | yes | — |
| 141 | C2×C3×D4 | — | 2 | 2 | no | — |
| 142 | C2×C3×D4 | — | 2 | 2 | no | — |
| 143 | C2×C3×D4 | Dic10 | 1 | 2 | yes | — |
| 144 | C2×C3×D4 | C4×D5 | 1 | 2 | yes | — |
| 145 | C22×C3×C4 | — | 10 | 2 | no | — |
| 146 | C22×C3×C4 | — | 10 | 2 | no | — |
| 147 | C22×C3×C4 | C22×D5 | 1 | 1 | yes | characteristic |
| 148 | C22×Dic3 | — | 2 | 1 | no | — |
| 149 | C22×Dic3 | — | 2 | 1 | no | — |
| 150 | C3×C4⋊C4 | — | 5 | 2 | no | — |
| 151 | C3×C4⋊C4 | — | 5 | 2 | no | — |
| 152 | C3×C22⋊C4 | — | 10 | 4 | no | — |
| 153 | C3×C22⋊C4 | — | 10 | 2 | no | — |
| 154 | C3×C42 | — | 10 | 2 | no | — |
| 155 | #217 | — | 4 | 4 | no | — |
| 156 | C4⋊Dic3 | — | 2 | 2 | no | — |
| 157 | C4×Dic3 | — | 2 | 2 | no | — |
| 158 | #208 | — | 5 | 4 | no | — |
| 159 | #208 | — | 10 | 2 | no | — |
| 160 | C2×C3⋊C8 | — | 10 | 2 | no | — |
| 161 | C23×C5 | — | 2 | 2 | no | — |
| 162 | C23×C5 | — | 2 | 2 | no | — |
| 163 | C23×C5 | — | 4 | 2 | no | — |
| 164 | C23×C5 | — | 4 | 2 | no | — |
| 165 | C23×C5 | Dic3⋊C4 | 1 | 4 | yes | — |
| 166 | C23×C5 | C2×#67 | 1 | 1 | yes | characteristic |
| 167 | C5×D4 | — | 2 | 4 | no | — |
| 168 | C5×D4 | — | 2 | 4 | no | — |
| 169 | C2×C4×C5 | — | 6 | 2 | no | — |
| 170 | C2×C4×C5 | — | 12 | 1 | no | — |
| 171 | C2×C4×C5 | — | 12 | 1 | no | — |
| 172 | C2×C4×C5 | — | 12 | 2 | no | — |
| 173 | C2×C4×C5 | — | 12 | 1 | no | — |
| 174 | C2×C4×C5 | C2×Dic6 | 1 | 1 | yes | characteristic |
| 175 | C2×C4×C5 | C2×C4×D3 | 1 | 1 | yes | characteristic |
| 176 | C2×C4×C5 | #235 | 1 | 2 | yes | — |
| 177 | C2×C4×C5 | C2×#67 | 1 | 2 | yes | — |
| 178 | C2×Dic5 | — | 2 | 2 | no | — |
| 179 | C2×Dic5 | — | 2 | 2 | no | — |
| 180 | C2×Dic5 | — | 8 | 2 | no | — |
| 181 | C2×Dic5 | — | 8 | 2 | no | — |
| 182 | #168 | — | 6 | 4 | no | — |
| 183 | C22×D4 | D3×D5 | 1 | 1 | yes | characteristic |
| 184 | C2×M16 | — | 15 | 2 | no | — |
| 185 | C4×D4 | — | 10 | 2 | no | — |
| 186 | C4×D4 | — | 10 | 2 | no | — |
| 187 | #117 | — | 5 | 2 | no | — |
| 188 | C2×C4⋊C4 | — | 3 | 1 | no | — |
| 189 | C2×C22⋊C4 | — | 6 | 2 | no | — |
| 190 | C2×C22⋊C4 | — | 10 | 2 | no | — |
| 191 | C2×C42 | — | 3 | 1 | no | — |
| 192 | #107 | — | 30 | 2 | no | — |
| 193 | #106 | — | 30 | 2 | no | — |
| 194 | #100 | — | 15 | 4 | no | — |
| 195 | C2×C3×C5 | — | 2 | 1 | no | — |
| 196 | C2×C3×C5 | — | 2 | 1 | no | — |
| 197 | C2×C3×C5 | — | 4 | 4 | no | — |
| 198 | C2×C3×C5 | #385 | 1 | 1 | yes | characteristic |
| 199 | C2×C3×C5 | #453 | 1 | 1 | yes | characteristic |
| 200 | C2×C3×C5 | #455 | 1 | 1 | yes | characteristic |
| 201 | C23×C3 | — | 2 | 2 | no | — |
| 202 | C23×C3 | — | 2 | 2 | no | — |
| 203 | C23×C3 | — | 4 | 2 | no | — |
| 204 | C23×C3 | — | 4 | 2 | no | — |
| 205 | C23×C3 | #683 | 1 | 4 | yes | — |
| 206 | C23×C3 | C2×C22⋊D5 | 1 | 1 | yes | characteristic |
| 207 | C3×D4 | — | 2 | 4 | no | — |
| 208 | C3×D4 | — | 2 | 4 | no | — |
| 209 | C2×C3×C4 | — | 10 | 2 | no | — |
| 210 | C2×C3×C4 | — | 10 | 2 | no | — |
| 211 | C2×C3×C4 | — | 40 | 2 | no | — |
| 212 | C2×C3×C4 | — | 40 | 2 | no | — |
| 213 | C2×C3×C4 | C2×Dic10 | 1 | 1 | yes | characteristic |
| 214 | C2×C3×C4 | C2×C4×D5 | 1 | 1 | yes | characteristic |
| 215 | C2×C3×C4 | D4×D5 | 1 | 2 | yes | — |
| 216 | C2×C3×C4 | #711 | 1 | 2 | yes | — |
| 217 | C2×Dic3 | — | 2 | 2 | no | — |
| 218 | C2×Dic3 | — | 4 | 1 | no | — |
| 219 | C2×Dic3 | — | 4 | 1 | no | — |
| 220 | C2×Dic3 | — | 4 | 2 | no | — |
| 221 | C2×Dic3 | — | 4 | 1 | no | — |
| 222 | C3⋊C8 | — | 10 | 4 | no | — |
| 223 | C22×C5 | — | 2 | 1 | no | — |
| 224 | C22×C5 | — | 2 | 1 | no | — |
| 225 | C22×C5 | — | 2 | 4 | no | — |
| 226 | C22×C5 | — | 4 | 4 | no | — |
| 227 | C22×C5 | — | 4 | 2 | no | — |
| 228 | C22×C5 | — | 4 | 2 | no | — |
| 229 | C22×C5 | — | 8 | 2 | no | — |
| 230 | C22×C5 | C2×Dic3⋊C4 | 1 | 1 | yes | characteristic |
| 231 | C22×C5 | #929 | 1 | 1 | yes | characteristic |
| 232 | C22×C5 | #953 | 1 | 1 | yes | characteristic |
| 233 | C4×C5 | — | 12 | 2 | no | — |
| 234 | C4×C5 | — | 24 | 1 | no | — |
| 235 | C4×C5 | #924 | 1 | 2 | yes | — |
| 236 | C4×C5 | C4×#67 | 1 | 2 | yes | — |
| 237 | Dic5 | — | 4 | 2 | no | — |
| 238 | Dic5 | — | 4 | 2 | no | — |
| 239 | C24 | #1201 | 1 | 2 | yes | — |
| 240 | C2×D4 | — | 2 | 2 | no | — |
| 241 | C2×D4 | — | 2 | 2 | no | — |
| 242 | C2×D4 | #1200 | 1 | 2 | yes | — |
| 243 | C2×D4 | #1204 | 1 | 2 | yes | — |
| 244 | C22×C4 | — | 6 | 1 | no | — |
| 245 | C22×C4 | — | 6 | 1 | no | — |
| 246 | C22×C4 | — | 10 | 2 | no | — |
| 247 | C22×C4 | — | 10 | 2 | no | — |
| 248 | C22×C4 | C2×D3×D5 | 1 | 1 | yes | characteristic |
| 249 | M16 | — | 15 | 4 | no | — |
| 250 | M16 | — | 30 | 2 | no | — |
| 251 | C2×C8 | — | 30 | 2 | no | — |
| 252 | C4⋊C4 | — | 5 | 2 | no | — |
| 253 | C4⋊C4 | — | 5 | 2 | no | — |
| 254 | C4⋊C4 | — | 6 | 2 | no | — |
| 255 | C22⋊C4 | — | 10 | 4 | no | — |
| 256 | C22⋊C4 | — | 10 | 2 | no | — |
| 257 | C22⋊C4 | — | 12 | 4 | no | — |
| 258 | C42 | — | 6 | 2 | no | — |
| 259 | C42 | — | 10 | 2 | no | — |
| 260 | C3×C5 | #1856 | 1 | 1 | yes | characteristic, complemented, Hall |
| 261 | C22×C3 | — | 2 | 1 | no | — |
| 262 | C22×C3 | — | 2 | 1 | no | — |
| 263 | C22×C3 | — | 2 | 4 | no | — |
| 264 | C22×C3 | — | 4 | 4 | no | — |
| 265 | C22×C3 | — | 4 | 2 | no | — |
| 266 | C22×C3 | — | 4 | 2 | no | — |
| 267 | C22×C3 | — | 8 | 2 | no | — |
| 268 | C22×C3 | C2×#683 | 1 | 1 | yes | characteristic |
| 269 | C22×C3 | #4081 | 1 | 1 | yes | characteristic |
| 270 | C22×C3 | #4083 | 1 | 1 | yes | characteristic |
| 271 | C3×C4 | — | 20 | 2 | no | — |
| 272 | C3×C4 | — | 20 | 2 | no | — |
| 273 | C3×C4 | #4024 | 1 | 2 | yes | — |
| 274 | C3×C4 | #4027 | 1 | 2 | yes | — |
| 275 | Dic3 | — | 4 | 2 | no | — |
| 276 | Dic3 | — | 8 | 1 | no | — |
| 277 | C2×C5 | — | 2 | 1 | no | — |
| 278 | C2×C5 | — | 2 | 1 | no | — |
| 279 | C2×C5 | — | 4 | 4 | no | — |
| 280 | C2×C5 | #5210 | 1 | 1 | yes | characteristic |
| 281 | C2×C5 | #5241 | 1 | 1 | yes | characteristic |
| 282 | C2×C5 | #5242 | 1 | 1 | yes | characteristic |
| 283 | C23 | — | 2 | 2 | no | — |
| 284 | C23 | — | 2 | 2 | no | — |
| 285 | C23 | — | 4 | 2 | no | — |
| 286 | C23 | — | 4 | 2 | no | — |
| 287 | C23 | #6669 | 1 | 4 | yes | — |
| 288 | C23 | C2×#1201 | 1 | 1 | yes | characteristic |
| 289 | D4 | — | 2 | 4 | no | — |
| 290 | D4 | — | 2 | 4 | no | — |
| 291 | C2×C4 | — | 6 | 2 | no | — |
| 292 | C2×C4 | — | 10 | 2 | no | — |
| 293 | C2×C4 | — | 10 | 2 | no | — |
| 294 | C2×C4 | — | 12 | 1 | no | — |
| 295 | C2×C4 | — | 12 | 1 | no | — |
| 296 | C2×C4 | — | 12 | 2 | no | — |
| 297 | C2×C4 | — | 12 | 1 | no | — |
| 298 | C2×C4 | — | 40 | 2 | no | — |
| 299 | C2×C4 | — | 40 | 2 | no | — |
| 300 | C2×C4 | #6782 | 1 | 2 | yes | — |
| 301 | C2×C4 | C2×#1200 | 1 | 1 | yes | characteristic |
| 302 | C2×C4 | C2×#1204 | 1 | 1 | yes | characteristic |
| 303 | C2×C4 | D5×#67 | 1 | 2 | yes | — |
| 304 | C8 | — | 30 | 4 | no | — |
| 305 | C2×C3 | — | 2 | 1 | no | — |
| 306 | C2×C3 | — | 2 | 1 | no | — |
| 307 | C2×C3 | — | 4 | 4 | no | — |
| 308 | C2×C3 | #65235 | 1 | 1 | yes | characteristic |
| 309 | C2×C3 | #65350 | 1 | 1 | yes | characteristic |
| 310 | C2×C3 | #65366 | 1 | 1 | yes | characteristic |
| 311 | C5 | #71647 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 312 | C22 | — | 2 | 1 | no | — |
| 313 | C22 | — | 2 | 1 | no | — |
| 314 | C22 | — | 2 | 4 | no | — |
| 315 | C22 | — | 4 | 4 | no | — |
| 316 | C22 | — | 4 | 2 | no | — |
| 317 | C22 | — | 4 | 2 | no | — |
| 318 | C22 | — | 8 | 2 | no | — |
| 319 | C22 | #91539 | 1 | 1 | yes | characteristic |
| 320 | C22 | C2×#6669 | 1 | 1 | yes | characteristic |
| 321 | C22 | #91563 | 1 | 1 | yes | characteristic |
| 322 | C4 | — | 12 | 2 | no | — |
| 323 | C4 | — | 20 | 2 | no | — |
| 324 | C4 | — | 20 | 2 | no | — |
| 325 | C4 | — | 24 | 1 | no | — |
| 326 | C4 | #91552 | 1 | 2 | yes | — |
| 327 | C4 | #91574 | 1 | 2 | yes | — |
| 328 | C3 | #10600435 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 329 | C2 | — | 2 | 1 | no | — |
| 330 | C2 | — | 2 | 1 | no | — |
| 331 | C2 | — | 4 | 4 | no | — |
| 332 | C2 | #11749137 | 1 | 1 | yes | characteristic |
| 333 | C2 | #11749144 | 1 | 1 | yes | characteristic |
| 334 | C2 | #11749508 | 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.