← #34215285
Subgroups — #34215285
Order 20224.
1590 conjugacy classes of subgroups.
The subgroup lattice has 340 nodes — too large to display as a diagram.
Conjugacy classes of subgroups
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|
| 1 | C2×#19098500 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×#19098459 | C2 | 1 | 3 | yes | maximal, complemented |
| 3 | C2×#19098452 | C2 | 1 | 3 | yes | maximal |
| 4 | #23761669 | C2 | 1 | 3 | yes | maximal, complemented |
| 5 | #23761642 | C2 | 1 | 3 | yes | maximal |
| 6 | #95×Dic79 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 7 | C79×#1444 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 8 | C22×C4⋊Dic79 | C22 | 1 | 3 | yes | — |
| 9 | C22×Dic79⋊C4 | C22 | 1 | 3 | yes | — |
| 10 | C22×(C2×D79)⋊C4 | C22 | 1 | 1 | yes | characteristic |
| 11 | C22×(C2×D79)⋊C4 | C22 | 1 | 3 | yes | — |
| 12 | C22×(C2×D79)⋊C4 | C22 | 1 | 3 | yes | — |
| 13 | C22×C4×Dic79 | C22 | 1 | 3 | yes | — |
| 14 | #19098500 | C4 | 1 | 8 | yes | complemented |
| 15 | #19098459 | — | 2 | 12 | no | — |
| 16 | #19098452 | — | 2 | 12 | no | — |
| 17 | C2×C79⋊#95 | C22 | 1 | 3 | yes | — |
| 18 | C2×C79⋊#95 | C22 | 1 | 6 | yes | — |
| 19 | C2×C79⋊#95 | C22 | 1 | 3 | yes | — |
| 20 | C22×C4⋊C4×C79 | C22 | 1 | 3 | yes | — |
| 21 | C2×#95×C79 | C22 | 1 | 3 | yes | — |
| 22 | C2×#95×C79 | C22 | 1 | 1 | yes | characteristic |
| 23 | C24×D79 | C23 | 1 | 1 | yes | characteristic |
| 24 | C23×Dic79 | C23 | 1 | 3 | yes | — |
| 25 | C23×Dic79 | C23 | 1 | 3 | yes | — |
| 26 | C23×Dic79 | C23 | 1 | 1 | yes | characteristic |
| 27 | C2×C4⋊Dic79 | — | 2 | 6 | no | — |
| 28 | C2×C4⋊Dic79 | — | 2 | 6 | no | — |
| 29 | C2×C4⋊Dic79 | C2×C4 | 1 | 12 | yes | — |
| 30 | C2×Dic79⋊C4 | — | 2 | 6 | no | — |
| 31 | C2×Dic79⋊C4 | — | 2 | 12 | no | — |
| 32 | C2×(C2×D79)⋊C4 | — | 2 | 6 | no | — |
| 33 | C2×(C2×D79)⋊C4 | — | 2 | 6 | no | — |
| 34 | C2×(C2×D79)⋊C4 | — | 2 | 6 | no | — |
| 35 | C2×(C2×D79)⋊C4 | — | 2 | 6 | no | — |
| 36 | C2×(C2×D79)⋊C4 | — | 4 | 6 | no | — |
| 37 | C2×(C2×D79)⋊C4 | C2×C4 | 1 | 12 | yes | — |
| 38 | C2×C4×Dic79 | — | 4 | 6 | no | — |
| 39 | C2×C4×Dic79 | D4 | 1 | 12 | yes | — |
| 40 | C79⋊#95 | — | 2 | 6 | no | — |
| 41 | C79⋊#95 | — | 2 | 6 | no | — |
| 42 | C79⋊#95 | — | 2 | 12 | no | — |
| 43 | C23×C4×C79 | C23 | 1 | 1 | yes | characteristic |
| 44 | C23×C4×C79 | C23 | 1 | 3 | yes | — |
| 45 | C23×C4×C79 | C23 | 1 | 3 | yes | — |
| 46 | C2×C4⋊C4×C79 | — | 2 | 6 | no | — |
| 47 | C2×C4⋊C4×C79 | — | 4 | 6 | no | — |
| 48 | #95×C79 | — | 2 | 6 | no | — |
| 49 | #95×C79 | C2×C4 | 1 | 4 | yes | — |
| 50 | C23×D79 | — | 2 | 3 | no | — |
| 51 | C23×D79 | — | 2 | 3 | no | — |
| 52 | C23×D79 | — | 2 | 3 | no | — |
| 53 | C23×D79 | — | 2 | 1 | no | — |
| 54 | C23×D79 | — | 2 | 1 | no | — |
| 55 | C23×D79 | — | 2 | 3 | no | — |
| 56 | C23×D79 | C22×C4 | 1 | 2 | yes | — |
| 57 | C22×Dic79 | — | 2 | 3 | no | — |
| 58 | C22×Dic79 | — | 2 | 6 | no | — |
| 59 | C22×Dic79 | — | 2 | 6 | no | — |
| 60 | C22×Dic79 | — | 2 | 3 | no | — |
| 61 | C22×Dic79 | — | 2 | 6 | no | — |
| 62 | C22×Dic79 | — | 2 | 3 | no | — |
| 63 | C22×Dic79 | — | 2 | 6 | no | — |
| 64 | C22×Dic79 | — | 2 | 1 | no | — |
| 65 | C22×Dic79 | — | 2 | 3 | no | — |
| 66 | C22×Dic79 | — | 2 | 3 | no | — |
| 67 | C22×Dic79 | C22×C4 | 1 | 6 | yes | — |
| 68 | C22×Dic79 | C2×D4 | 1 | 6 | yes | — |
| 69 | C22×Dic79 | C2×D4 | 1 | 6 | yes | — |
| 70 | C4⋊Dic79 | — | 2 | 24 | no | — |
| 71 | Dic79⋊C4 | — | 4 | 12 | no | — |
| 72 | (C2×D79)⋊C4 | — | 2 | 24 | no | — |
| 73 | (C2×D79)⋊C4 | — | 4 | 12 | no | — |
| 74 | (C2×D79)⋊C4 | — | 4 | 4 | no | — |
| 75 | C4×Dic79 | — | 4 | 12 | no | — |
| 76 | C24×C79 | C24 | 1 | 1 | yes | characteristic |
| 77 | C22×C4×C79 | — | 2 | 6 | no | — |
| 78 | C22×C4×C79 | — | 2 | 6 | no | — |
| 79 | C22×C4×C79 | — | 2 | 3 | no | — |
| 80 | C22×C4×C79 | — | 2 | 3 | no | — |
| 81 | C22×C4×C79 | — | 2 | 6 | no | — |
| 82 | C22×C4×C79 | — | 2 | 3 | no | — |
| 83 | C22×C4×C79 | — | 2 | 6 | no | — |
| 84 | C22×C4×C79 | — | 2 | 3 | no | — |
| 85 | C22×C4×C79 | — | 2 | 1 | no | — |
| 86 | C22×C4×C79 | — | 2 | 3 | no | — |
| 87 | C22×C4×C79 | C22×C4 | 1 | 6 | yes | — |
| 88 | C22×C4×C79 | C2×D4 | 1 | 6 | yes | — |
| 89 | C22×C4×C79 | #41 | 1 | 6 | yes | — |
| 90 | C4⋊C4×C79 | — | 4 | 12 | no | — |
| 91 | C23×C79 | C23×C4 | 1 | 1 | yes | characteristic |
| 92 | C23×C79 | C22×D4 | 1 | 3 | yes | — |
| 93 | C23×C79 | C2×#41 | 1 | 3 | yes | — |
| 94 | C23×C79 | H(5,𝔽2) | 1 | 3 | yes | — |
| 95 | C23×C79 | 2−1+4 | 1 | 1 | yes | characteristic |
| 96 | C23×C79 | 2−1+4 | 1 | 3 | yes | — |
| 97 | C23×C79 | 2−1+4 | 1 | 1 | yes | characteristic |
| 98 | C22×D79 | — | 2 | 6 | no | — |
| 99 | C22×D79 | — | 2 | 2 | no | — |
| 100 | C22×D79 | — | 2 | 6 | no | — |
| 101 | C22×D79 | — | 4 | 1 | no | — |
| 102 | C22×D79 | — | 4 | 3 | no | — |
| 103 | C22×D79 | — | 4 | 3 | no | — |
| 104 | C22×D79 | — | 4 | 3 | no | — |
| 105 | C22×D79 | — | 4 | 3 | no | — |
| 106 | C22×D79 | — | 4 | 3 | no | — |
| 107 | C22×D79 | — | 4 | 6 | no | — |
| 108 | C22×D79 | — | 4 | 3 | no | — |
| 109 | C22×D79 | — | 4 | 3 | no | — |
| 110 | C2×C4×C79 | — | 2 | 12 | no | — |
| 111 | C2×C4×C79 | — | 2 | 6 | no | — |
| 112 | C2×C4×C79 | — | 2 | 6 | no | — |
| 113 | C2×C4×C79 | — | 2 | 12 | no | — |
| 114 | C2×C4×C79 | — | 4 | 1 | no | — |
| 115 | C2×C4×C79 | — | 4 | 3 | no | — |
| 116 | C2×C4×C79 | — | 4 | 3 | no | — |
| 117 | C2×C4×C79 | — | 4 | 6 | no | — |
| 118 | C2×C4×C79 | — | 4 | 3 | no | — |
| 119 | C2×C4×C79 | — | 4 | 3 | no | — |
| 120 | C2×C4×C79 | — | 4 | 3 | no | — |
| 121 | C2×C4×C79 | — | 4 | 6 | no | — |
| 122 | C2×C4×C79 | C4×D4 | 1 | 12 | yes | — |
| 123 | C2×Dic79 | — | 2 | 6 | no | — |
| 124 | C2×Dic79 | — | 2 | 6 | no | — |
| 125 | C2×Dic79 | — | 2 | 6 | no | — |
| 126 | C2×Dic79 | — | 2 | 12 | no | — |
| 127 | C2×Dic79 | — | 2 | 6 | no | — |
| 128 | C2×Dic79 | — | 2 | 6 | no | — |
| 129 | C2×Dic79 | — | 2 | 6 | no | — |
| 130 | C2×Dic79 | — | 4 | 3 | no | — |
| 131 | C2×Dic79 | — | 4 | 3 | no | — |
| 132 | C2×Dic79 | — | 4 | 6 | no | — |
| 133 | C2×Dic79 | — | 4 | 6 | no | — |
| 134 | C2×Dic79 | — | 4 | 6 | no | — |
| 135 | C2×Dic79 | #127 | 1 | 4 | yes | — |
| 136 | C22×C79 | C2×C4×D4 | 1 | 3 | yes | — |
| 137 | C22×C79 | #519 | 1 | 1 | yes | characteristic |
| 138 | C22×C79 | #520 | 1 | 3 | yes | — |
| 139 | C22×C79 | C2×#127 | 1 | 1 | yes | characteristic |
| 140 | C22×C79 | #532 | 1 | 3 | yes | — |
| 141 | C22×C79 | #534 | 1 | 3 | yes | — |
| 142 | C22×C79 | #536 | 1 | 3 | yes | — |
| 143 | C22×C79 | #536 | 1 | 3 | yes | — |
| 144 | C22×C79 | #537 | 1 | 3 | yes | — |
| 145 | C22×C79 | #539 | 1 | 6 | yes | — |
| 146 | C22×C79 | #541 | 1 | 3 | yes | — |
| 147 | C22×C79 | #542 | 1 | 3 | yes | — |
| 148 | C2×D79 | — | 4 | 2 | no | — |
| 149 | C2×D79 | — | 4 | 6 | no | — |
| 150 | C2×D79 | — | 4 | 6 | no | — |
| 151 | C2×D79 | — | 8 | 1 | no | — |
| 152 | C2×D79 | — | 8 | 1 | no | — |
| 153 | C2×D79 | — | 8 | 3 | no | — |
| 154 | C2×D79 | — | 8 | 3 | no | — |
| 155 | C4×C79 | — | 2 | 12 | no | — |
| 156 | C4×C79 | — | 8 | 3 | no | — |
| 157 | C4×C79 | — | 8 | 1 | no | — |
| 158 | Dic79 | — | 2 | 4 | no | — |
| 159 | Dic79 | — | 4 | 6 | no | — |
| 160 | Dic79 | — | 4 | 6 | no | — |
| 161 | #14322 | — | 79 | 1 | no | maximal, Sylow |
| 162 | C2×C79 | C4×#127 | 1 | 1 | yes | characteristic |
| 163 | C2×C79 | #2322 | 1 | 3 | yes | — |
| 164 | C2×C79 | #2323 | 1 | 3 | yes | — |
| 165 | C2×C79 | #2656 | 1 | 1 | yes | characteristic |
| 166 | C2×C79 | #2658 | 1 | 1 | yes | characteristic |
| 167 | C2×C79 | #2663 | 1 | 3 | yes | — |
| 168 | C2×C79 | #2664 | 1 | 3 | yes | — |
| 169 | D79 | — | 8 | 2 | no | — |
| 170 | C2×#399 | — | 79 | 1 | no | — |
| 171 | C2×#389 | — | 79 | 3 | no | — |
| 172 | C2×#388 | — | 79 | 3 | no | — |
| 173 | #1445 | — | 79 | 3 | no | — |
| 174 | #1444 | D79 | 1 | 1 | yes | characteristic, complemented |
| 175 | #1439 | — | 79 | 3 | no | — |
| 176 | C4×#95 | — | 79 | 1 | no | — |
| 177 | C79 | #14322 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 178 | C22×C4⋊C4 | — | 79 | 3 | no | — |
| 179 | C22×C4⋊C4 | — | 79 | 3 | no | — |
| 180 | C22×C4⋊C4 | C2×D79 | 1 | 3 | yes | — |
| 181 | C22×C22⋊C4 | — | 79 | 3 | no | — |
| 182 | C22×C22⋊C4 | — | 79 | 3 | no | — |
| 183 | C22×C22⋊C4 | — | 79 | 1 | no | — |
| 184 | C22×C42 | — | 79 | 3 | no | — |
| 185 | #399 | — | 79 | 8 | no | — |
| 186 | #389 | — | 158 | 12 | no | — |
| 187 | #388 | — | 158 | 12 | no | — |
| 188 | C2×#95 | — | 79 | 3 | no | — |
| 189 | C2×#95 | — | 79 | 6 | no | — |
| 190 | C2×#95 | — | 79 | 3 | no | — |
| 191 | C2×#95 | C2×D79 | 1 | 3 | yes | — |
| 192 | C2×#95 | C2×D79 | 1 | 1 | yes | characteristic |
| 193 | C25 | — | 79 | 1 | no | — |
| 194 | C23×C4 | — | 79 | 1 | no | — |
| 195 | C23×C4 | — | 79 | 3 | no | — |
| 196 | C23×C4 | — | 79 | 3 | no | — |
| 197 | C23×C4 | C22×D79 | 1 | 3 | yes | — |
| 198 | C23×C4 | C22×D79 | 1 | 1 | yes | characteristic |
| 199 | C23×C4 | C22×D79 | 1 | 3 | yes | — |
| 200 | C2×C4⋊C4 | — | 2 | 6 | no | — |
| 201 | C2×C4⋊C4 | — | 4 | 6 | no | — |
| 202 | C2×C4⋊C4 | — | 79 | 12 | no | — |
| 203 | C2×C4⋊C4 | — | 158 | 6 | no | — |
| 204 | C2×C4⋊C4 | — | 158 | 12 | no | — |
| 205 | C2×C4⋊C4 | — | 158 | 6 | no | — |
| 206 | C2×C4⋊C4 | — | 158 | 6 | no | — |
| 207 | C2×C22⋊C4 | — | 316 | 6 | no | — |
| 208 | C2×C22⋊C4 | — | 79 | 12 | no | — |
| 209 | C2×C22⋊C4 | — | 158 | 6 | no | — |
| 210 | C2×C22⋊C4 | — | 158 | 6 | no | — |
| 211 | C2×C22⋊C4 | — | 158 | 6 | no | — |
| 212 | C2×C22⋊C4 | — | 158 | 6 | no | — |
| 213 | C2×C42 | — | 316 | 6 | no | — |
| 214 | C2×C42 | — | 79 | 12 | no | — |
| 215 | #95 | — | 2 | 6 | no | — |
| 216 | #95 | — | 158 | 6 | no | — |
| 217 | #95 | — | 158 | 12 | no | — |
| 218 | #95 | — | 158 | 6 | no | — |
| 219 | #95 | C4×D79 | 1 | 4 | yes | — |
| 220 | C24 | — | 79 | 2 | no | — |
| 221 | C24 | — | 158 | 3 | no | — |
| 222 | C24 | — | 158 | 3 | no | — |
| 223 | C24 | — | 158 | 3 | no | — |
| 224 | C24 | — | 158 | 1 | no | — |
| 225 | C24 | — | 158 | 1 | no | — |
| 226 | C24 | — | 158 | 3 | no | — |
| 227 | C24 | C23×D79 | 1 | 1 | yes | characteristic |
| 228 | C22×C4 | — | 2 | 6 | no | — |
| 229 | C22×C4 | — | 2 | 6 | no | — |
| 230 | C22×C4 | — | 2 | 6 | no | — |
| 231 | C22×C4 | — | 2 | 3 | no | — |
| 232 | C22×C4 | — | 2 | 3 | no | — |
| 233 | C22×C4 | — | 2 | 3 | no | — |
| 234 | C22×C4 | — | 2 | 1 | no | — |
| 235 | C22×C4 | — | 2 | 3 | no | — |
| 236 | C22×C4 | — | 2 | 3 | no | — |
| 237 | C22×C4 | — | 2 | 6 | no | — |
| 238 | C22×C4 | — | 79 | 6 | no | — |
| 239 | C22×C4 | — | 79 | 6 | no | — |
| 240 | C22×C4 | — | 79 | 6 | no | — |
| 241 | C22×C4 | — | 158 | 6 | no | — |
| 242 | C22×C4 | — | 158 | 3 | no | — |
| 243 | C22×C4 | — | 158 | 6 | no | — |
| 244 | C22×C4 | — | 158 | 6 | no | — |
| 245 | C22×C4 | — | 158 | 3 | no | — |
| 246 | C22×C4 | — | 158 | 3 | no | — |
| 247 | C22×C4 | — | 158 | 3 | no | — |
| 248 | C22×C4 | — | 158 | 6 | no | — |
| 249 | C22×C4 | — | 158 | 3 | no | — |
| 250 | C22×C4 | — | 158 | 1 | no | — |
| 251 | C22×C4 | C2×C4×D79 | 1 | 6 | yes | — |
| 252 | C22×C4 | D4×D79 | 1 | 6 | yes | — |
| 253 | C22×C4 | #11929625 | 1 | 6 | yes | — |
| 254 | C4⋊C4 | — | 4 | 12 | no | — |
| 255 | C4⋊C4 | — | 316 | 12 | no | — |
| 256 | C4⋊C4 | — | 158 | 24 | no | — |
| 257 | C22⋊C4 | — | 316 | 4 | no | — |
| 258 | C22⋊C4 | — | 316 | 12 | no | — |
| 259 | C22⋊C4 | — | 158 | 24 | no | — |
| 260 | C42 | — | 316 | 12 | no | — |
| 261 | C23 | — | 316 | 3 | no | — |
| 262 | C23 | — | 316 | 3 | no | — |
| 263 | C23 | — | 316 | 6 | no | — |
| 264 | C23 | — | 316 | 3 | no | — |
| 265 | C23 | — | 316 | 3 | no | — |
| 266 | C23 | — | 316 | 1 | no | — |
| 267 | C23 | — | 316 | 3 | no | — |
| 268 | C23 | — | 316 | 3 | no | — |
| 269 | C23 | — | 316 | 3 | no | — |
| 270 | C23 | — | 158 | 6 | no | — |
| 271 | C23 | — | 158 | 2 | no | — |
| 272 | C23 | — | 158 | 6 | no | — |
| 273 | C23 | C22×C4×D79 | 1 | 1 | yes | characteristic |
| 274 | C23 | C2×D4×D79 | 1 | 3 | yes | — |
| 275 | C23 | C2×#11929625 | 1 | 3 | yes | — |
| 276 | C23 | #14579206 | 1 | 3 | yes | — |
| 277 | C23 | #14579208 | 1 | 3 | yes | — |
| 278 | C23 | #14579208 | 1 | 1 | yes | characteristic |
| 279 | C23 | #14579209 | 1 | 1 | yes | characteristic |
| 280 | C2×C4 | — | 2 | 12 | no | — |
| 281 | C2×C4 | — | 2 | 12 | no | — |
| 282 | C2×C4 | — | 2 | 6 | no | — |
| 283 | C2×C4 | — | 2 | 6 | no | — |
| 284 | C2×C4 | — | 4 | 3 | no | — |
| 285 | C2×C4 | — | 4 | 6 | no | — |
| 286 | C2×C4 | — | 4 | 3 | no | — |
| 287 | C2×C4 | — | 4 | 1 | no | — |
| 288 | C2×C4 | — | 4 | 3 | no | — |
| 289 | C2×C4 | — | 4 | 3 | no | — |
| 290 | C2×C4 | — | 4 | 6 | no | — |
| 291 | C2×C4 | — | 4 | 3 | no | — |
| 292 | C2×C4 | — | 316 | 6 | no | — |
| 293 | C2×C4 | — | 316 | 6 | no | — |
| 294 | C2×C4 | — | 316 | 3 | no | — |
| 295 | C2×C4 | — | 316 | 6 | no | — |
| 296 | C2×C4 | — | 316 | 3 | no | — |
| 297 | C2×C4 | — | 79 | 4 | no | — |
| 298 | C2×C4 | — | 158 | 6 | no | — |
| 299 | C2×C4 | — | 158 | 6 | no | — |
| 300 | C2×C4 | — | 158 | 12 | no | — |
| 301 | C2×C4 | — | 158 | 6 | no | — |
| 302 | C2×C4 | — | 158 | 6 | no | — |
| 303 | C2×C4 | — | 158 | 6 | no | — |
| 304 | C2×C4 | — | 158 | 6 | no | — |
| 305 | C2×C4 | #14579123 | 1 | 12 | yes | — |
| 306 | C22 | — | 316 | 6 | no | — |
| 307 | C22 | — | 316 | 6 | no | — |
| 308 | C22 | — | 316 | 2 | no | — |
| 309 | C22 | — | 632 | 1 | no | — |
| 310 | C22 | — | 632 | 1 | no | — |
| 311 | C22 | — | 632 | 3 | no | — |
| 312 | C22 | — | 632 | 3 | no | — |
| 313 | C22 | C2×#14579123 | 1 | 3 | yes | — |
| 314 | C22 | #19099039 | 1 | 1 | yes | characteristic |
| 315 | C22 | #19099042 | 1 | 3 | yes | — |
| 316 | C22 | #127×D79 | 1 | 1 | yes | characteristic |
| 317 | C22 | #19099114 | 1 | 3 | yes | — |
| 318 | C22 | #19099123 | 1 | 3 | yes | — |
| 319 | C22 | #19099135 | 1 | 3 | yes | — |
| 320 | C22 | #19099136 | 1 | 3 | yes | — |
| 321 | C22 | #19099142 | 1 | 3 | yes | — |
| 322 | C22 | #19099162 | 1 | 6 | yes | — |
| 323 | C22 | #19099176 | 1 | 3 | yes | — |
| 324 | C22 | #19099187 | 1 | 3 | yes | — |
| 325 | C4 | — | 2 | 12 | no | — |
| 326 | C4 | — | 8 | 3 | no | — |
| 327 | C4 | — | 8 | 1 | no | — |
| 328 | C4 | — | 316 | 6 | no | — |
| 329 | C4 | — | 316 | 6 | no | — |
| 330 | C4 | — | 158 | 4 | no | — |
| 331 | C2 | — | 632 | 2 | no | — |
| 332 | C2 | #23765962 | 1 | 1 | yes | characteristic |
| 333 | C2 | #23766068 | 1 | 3 | yes | — |
| 334 | C2 | #23766080 | 1 | 3 | yes | — |
| 335 | C2 | #23769501 | 1 | 1 | yes | characteristic |
| 336 | C2 | #23769509 | 1 | 1 | yes | characteristic |
| 337 | C2 | #23769555 | 1 | 3 | yes | — |
| 338 | C2 | #23769566 | 1 | 3 | yes | — |
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