← C3×#10592489 #13162857
Subgroups — C3×#10592489 #13162857
Order 1728.
828 conjugacy classes of subgroups.
The subgroup lattice has 314 nodes — too large to display as a diagram.
Conjugacy classes of subgroups
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|
| 1 | C3×Q8×C3⋊Dic3 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×C3×#3756 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C3×#64096 | C2 | 1 | 1 | yes | maximal, characteristic |
| 4 | C33×#103 | C2 | 1 | 1 | yes | maximal, characteristic |
| 5 | C3×#63643 | C2 | 1 | 1 | yes | maximal, characteristic |
| 6 | C3×C8×C3⋊Dic3 | C2 | 1 | 1 | yes | maximal, characteristic |
| 7 | C3×#63634 | C2 | 1 | 1 | yes | maximal, characteristic |
| 8 | #10592489 | C3 | 1 | 1 | yes | maximal, characteristic, direct product factor |
| 9 | C3×#4790 | — | 3 | 4 | no | maximal |
| 10 | C2×C33×Q8 | C22 | 1 | 1 | yes | characteristic |
| 11 | C2×C3×#634 | C22 | 1 | 1 | yes | characteristic |
| 12 | C2×C33×C8 | C22 | 1 | 1 | yes | characteristic |
| 13 | C33×C4⋊C4 | C22 | 1 | 1 | yes | characteristic |
| 14 | C3×#3756 | C4 | 1 | 4 | yes | complemented |
| 15 | C3×C4⋊(C3⋊Dic3) | — | 2 | 1 | no | — |
| 16 | C3×C4⋊(C3⋊Dic3) | C22 | 1 | 1 | yes | characteristic |
| 17 | C3×#3750 | — | 2 | 1 | no | — |
| 18 | C3×C4×C3⋊Dic3 | — | 2 | 1 | no | — |
| 19 | C3×C4×C3⋊Dic3 | — | 2 | 1 | no | — |
| 20 | C3×C4×C3⋊Dic3 | C22 | 1 | 1 | yes | characteristic |
| 21 | C2×C3×C3⋊(C3⋊C8) | C22 | 1 | 1 | yes | characteristic |
| 22 | Q8×C3⋊Dic3 | C2×C3 | 1 | 1 | yes | characteristic |
| 23 | C2×#3756 | C2×C3 | 1 | 1 | yes | characteristic |
| 24 | #64096 | C2×C3 | 1 | 1 | yes | characteristic |
| 25 | C3×Q8×Dic3 | — | 3 | 4 | no | — |
| 26 | C2×C3×#216 | — | 3 | 4 | no | — |
| 27 | C3×#887 | — | 3 | 4 | no | — |
| 28 | C32×#103 | — | 2 | 4 | no | — |
| 29 | C32×#103 | D3 | 1 | 4 | yes | — |
| 30 | C32×#103 | C2×C3 | 1 | 1 | yes | characteristic |
| 31 | #63643 | C2×C3 | 1 | 1 | yes | characteristic |
| 32 | C8×C3⋊Dic3 | C2×C3 | 1 | 1 | yes | characteristic |
| 33 | #63634 | C2×C3 | 1 | 1 | yes | characteristic |
| 34 | C3×#816 | — | 3 | 4 | no | — |
| 35 | C3×C8×Dic3 | — | 3 | 4 | no | — |
| 36 | C3×#807 | — | 3 | 4 | no | — |
| 37 | C33×Q8 | — | 2 | 1 | no | — |
| 38 | C33×Q8 | C2×C4 | 1 | 2 | yes | — |
| 39 | C2×C33×C4 | — | 2 | 1 | no | — |
| 40 | C2×C33×C4 | — | 2 | 1 | no | — |
| 41 | C2×C33×C4 | C23 | 1 | 1 | yes | characteristic |
| 42 | C2×C3×C3⋊Dic3 | — | 2 | 1 | no | — |
| 43 | C2×C3×C3⋊Dic3 | — | 2 | 1 | no | — |
| 44 | C2×C3×C3⋊Dic3 | D4 | 1 | 1 | yes | characteristic |
| 45 | C2×C3×C3⋊Dic3 | D4 | 1 | 1 | yes | characteristic |
| 46 | C3×#634 | — | 2 | 1 | no | — |
| 47 | C3×#634 | C2×C4 | 1 | 2 | yes | — |
| 48 | C33×C8 | — | 2 | 1 | no | — |
| 49 | C3×C3⋊(C3⋊C8) | C2×C4 | 1 | 2 | yes | — |
| 50 | C3×C4×Q16 | — | 9 | 1 | no | — |
| 51 | #4790 | — | 3 | 4 | no | — |
| 52 | C2×C32×Q8 | — | 2 | 4 | no | — |
| 53 | C2×C32×Q8 | C2×D3 | 1 | 4 | yes | — |
| 54 | C2×C32×Q8 | C22×C3 | 1 | 1 | yes | characteristic |
| 55 | C2×#634 | C22×C3 | 1 | 1 | yes | characteristic |
| 56 | C2×C3×Dic6 | — | 3 | 4 | no | — |
| 57 | C2×C32×C8 | — | 2 | 4 | no | — |
| 58 | C2×C32×C8 | C2×D3 | 1 | 4 | yes | — |
| 59 | C2×C32×C8 | C22×C3 | 1 | 1 | yes | characteristic |
| 60 | C32×C4⋊C4 | — | 2 | 4 | no | — |
| 61 | C32×C4⋊C4 | C2×D3 | 1 | 4 | yes | — |
| 62 | C32×C4⋊C4 | C22×C3 | 1 | 1 | yes | characteristic |
| 63 | #3756 | C3×C4 | 1 | 4 | yes | complemented |
| 64 | C4⋊(C3⋊Dic3) | — | 2 | 1 | no | — |
| 65 | C4⋊(C3⋊Dic3) | C22×C3 | 1 | 1 | yes | characteristic |
| 66 | #3750 | — | 2 | 1 | no | — |
| 67 | C4×C3⋊Dic3 | — | 2 | 1 | no | — |
| 68 | C4×C3⋊Dic3 | — | 2 | 1 | no | — |
| 69 | C4×C3⋊Dic3 | C22×C3 | 1 | 1 | yes | characteristic |
| 70 | C2×C3⋊(C3⋊C8) | C22×C3 | 1 | 1 | yes | characteristic |
| 71 | C3×#216 | — | 3 | 16 | no | — |
| 72 | C3×C4⋊Dic3 | — | 3 | 4 | no | — |
| 73 | C3×C4⋊Dic3 | — | 6 | 4 | no | — |
| 74 | C3×Dic3⋊C4 | — | 6 | 4 | no | — |
| 75 | C3×C4×Dic3 | — | 3 | 4 | no | — |
| 76 | C3×C4×Dic3 | — | 6 | 4 | no | — |
| 77 | C3×C4×Dic3 | — | 6 | 4 | no | — |
| 78 | C2×C3×C3⋊C8 | — | 3 | 4 | no | — |
| 79 | C22×C33 | C2×D4 | 1 | 1 | yes | characteristic |
| 80 | C33×C4 | — | 2 | 2 | no | — |
| 81 | C33×C4 | — | 4 | 1 | no | — |
| 82 | C33×C4 | C22×C4 | 1 | 1 | yes | characteristic |
| 83 | C33×C4 | #41 | 1 | 1 | yes | characteristic |
| 84 | C3×C3⋊Dic3 | — | 2 | 2 | no | — |
| 85 | C3×C3⋊Dic3 | — | 2 | 1 | no | — |
| 86 | C3×C3⋊Dic3 | — | 4 | 1 | no | — |
| 87 | C3×C3⋊Dic3 | Q16 | 1 | 2 | yes | complemented |
| 88 | C2×C3×Q16 | — | 9 | 1 | no | — |
| 89 | C3×C4×Q8 | — | 9 | 1 | no | — |
| 90 | C3×C4×Q8 | — | 9 | 1 | no | — |
| 91 | Q8×Dic3 | — | 3 | 4 | no | — |
| 92 | C2×#216 | — | 3 | 4 | no | — |
| 93 | #887 | — | 3 | 4 | no | — |
| 94 | C3×#107 | — | 9 | 1 | no | — |
| 95 | C3×#103 | — | 2 | 4 | no | — |
| 96 | C3×#103 | — | 9 | 1 | no | — |
| 97 | C3×#103 | C3×D3 | 1 | 4 | yes | — |
| 98 | C3×#103 | C3⋊D3 | 1 | 1 | yes | characteristic |
| 99 | C3×C4×C8 | — | 9 | 1 | no | — |
| 100 | #816 | — | 3 | 4 | no | — |
| 101 | C8×Dic3 | — | 3 | 4 | no | — |
| 102 | #807 | — | 3 | 4 | no | — |
| 103 | C32×Q8 | — | 2 | 1 | no | — |
| 104 | C32×Q8 | — | 2 | 8 | no | — |
| 105 | C32×Q8 | — | 2 | 4 | no | — |
| 106 | C32×Q8 | — | 4 | 4 | no | — |
| 107 | C32×Q8 | C4×D3 | 1 | 8 | yes | — |
| 108 | C32×Q8 | C2×C3×C4 | 1 | 2 | yes | — |
| 109 | C2×C32×C4 | — | 2 | 1 | no | — |
| 110 | C2×C32×C4 | — | 2 | 1 | no | — |
| 111 | C2×C32×C4 | — | 2 | 4 | no | — |
| 112 | C2×C32×C4 | — | 2 | 4 | no | — |
| 113 | C2×C32×C4 | — | 2 | 4 | no | — |
| 114 | C2×C32×C4 | — | 4 | 4 | no | — |
| 115 | C2×C32×C4 | — | 4 | 4 | no | — |
| 116 | C2×C32×C4 | C22×D3 | 1 | 4 | yes | — |
| 117 | C2×C32×C4 | C23×C3 | 1 | 1 | yes | characteristic |
| 118 | C2×C3⋊Dic3 | — | 2 | 1 | no | — |
| 119 | C2×C3⋊Dic3 | — | 2 | 1 | no | — |
| 120 | C2×C3⋊Dic3 | C3×D4 | 1 | 1 | yes | characteristic |
| 121 | C2×C3⋊Dic3 | C3×D4 | 1 | 1 | yes | characteristic |
| 122 | #634 | — | 2 | 1 | no | — |
| 123 | #634 | C2×C3×C4 | 1 | 2 | yes | — |
| 124 | C2×C3×Dic3 | — | 3 | 4 | no | — |
| 125 | C2×C3×Dic3 | — | 3 | 4 | no | — |
| 126 | C2×C3×Dic3 | — | 6 | 4 | no | — |
| 127 | C2×C3×Dic3 | — | 6 | 4 | no | — |
| 128 | C3×Dic6 | — | 3 | 8 | no | — |
| 129 | C3×Dic6 | — | 6 | 4 | no | — |
| 130 | C32×C8 | — | 2 | 1 | no | — |
| 131 | C32×C8 | — | 2 | 4 | no | — |
| 132 | C32×C8 | — | 4 | 4 | no | — |
| 133 | C3⋊(C3⋊C8) | C2×C3×C4 | 1 | 2 | yes | — |
| 134 | C3×C3⋊C8 | — | 3 | 8 | no | — |
| 135 | C4×Q16 | — | 9 | 1 | no | Sylow |
| 136 | C2×C33 | C4×D4 | 1 | 1 | yes | characteristic |
| 137 | C2×C33 | C2×Q16 | 1 | 1 | yes | characteristic |
| 138 | C2×C33 | #135 | 1 | 1 | yes | characteristic |
| 139 | C2×C3×Q8 | — | 2 | 4 | no | — |
| 140 | C2×C3×Q8 | — | 9 | 1 | no | — |
| 141 | C2×C3×Q8 | C2×C3×D3 | 1 | 4 | yes | — |
| 142 | C2×C3×Q8 | C2×C3⋊D3 | 1 | 1 | yes | characteristic |
| 143 | C2×Dic6 | — | 3 | 4 | no | — |
| 144 | C3×Q16 | — | 9 | 4 | no | — |
| 145 | C2×C3×C8 | — | 2 | 4 | no | — |
| 146 | C2×C3×C8 | — | 9 | 1 | no | — |
| 147 | C2×C3×C8 | C2×C3×D3 | 1 | 4 | yes | — |
| 148 | C2×C3×C8 | C2×C3⋊D3 | 1 | 1 | yes | characteristic |
| 149 | C3×C4⋊C4 | — | 2 | 4 | no | — |
| 150 | C3×C4⋊C4 | — | 9 | 1 | no | — |
| 151 | C3×C4⋊C4 | — | 18 | 1 | no | — |
| 152 | C3×C4⋊C4 | — | 18 | 1 | no | — |
| 153 | C3×C4⋊C4 | C2×C3×D3 | 1 | 4 | yes | — |
| 154 | C3×C4⋊C4 | C2×C3⋊D3 | 1 | 1 | yes | characteristic |
| 155 | C3×C42 | — | 9 | 1 | no | — |
| 156 | C3×C42 | — | 18 | 1 | no | — |
| 157 | C3×C42 | — | 18 | 1 | no | — |
| 158 | #216 | — | 3 | 16 | no | — |
| 159 | C4⋊Dic3 | — | 3 | 4 | no | — |
| 160 | C4⋊Dic3 | — | 6 | 4 | no | — |
| 161 | Dic3⋊C4 | — | 6 | 4 | no | — |
| 162 | C4×Dic3 | — | 3 | 4 | no | — |
| 163 | C4×Dic3 | — | 6 | 4 | no | — |
| 164 | C4×Dic3 | — | 6 | 4 | no | — |
| 165 | C2×C3⋊C8 | — | 3 | 4 | no | — |
| 166 | C22×C32 | — | 2 | 4 | no | — |
| 167 | C22×C32 | D3×D4 | 1 | 4 | yes | — |
| 168 | C22×C32 | C2×C3×D4 | 1 | 1 | yes | characteristic |
| 169 | C32×C4 | — | 2 | 2 | no | — |
| 170 | C32×C4 | — | 2 | 4 | no | — |
| 171 | C32×C4 | — | 2 | 4 | no | — |
| 172 | C32×C4 | — | 2 | 8 | no | — |
| 173 | C32×C4 | — | 4 | 8 | no | — |
| 174 | C32×C4 | — | 4 | 1 | no | — |
| 175 | C32×C4 | — | 4 | 4 | no | — |
| 176 | C32×C4 | — | 8 | 4 | no | — |
| 177 | C32×C4 | C2×C4×D3 | 1 | 4 | yes | — |
| 178 | C32×C4 | #237 | 1 | 4 | yes | — |
| 179 | C32×C4 | C22×C3×C4 | 1 | 1 | yes | characteristic |
| 180 | C32×C4 | C3×#41 | 1 | 1 | yes | characteristic |
| 181 | C3⋊Dic3 | — | 2 | 2 | no | — |
| 182 | C3⋊Dic3 | — | 2 | 1 | no | — |
| 183 | C3⋊Dic3 | — | 4 | 1 | no | — |
| 184 | C3⋊Dic3 | C3×Q16 | 1 | 2 | yes | complemented |
| 185 | C3×Dic3 | — | 3 | 8 | no | — |
| 186 | C3×Dic3 | — | 6 | 8 | no | — |
| 187 | C3×Dic3 | — | 6 | 4 | no | — |
| 188 | C3×Dic3 | — | 12 | 4 | no | — |
| 189 | C2×Q16 | — | 9 | 1 | no | — |
| 190 | C4×Q8 | — | 9 | 1 | no | — |
| 191 | C4×Q8 | — | 9 | 1 | no | — |
| 192 | #107 | — | 9 | 1 | no | — |
| 193 | #103 | — | 9 | 1 | no | — |
| 194 | #103 | C3×C3⋊D3 | 1 | 1 | yes | characteristic |
| 195 | C4×C8 | — | 9 | 1 | no | — |
| 196 | C33 | C4×Q16 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 197 | C3×Q8 | — | 2 | 4 | no | — |
| 198 | C3×Q8 | — | 2 | 1 | no | — |
| 199 | C3×Q8 | — | 2 | 8 | no | — |
| 200 | C3×Q8 | — | 4 | 4 | no | — |
| 201 | C3×Q8 | — | 9 | 2 | no | — |
| 202 | C3×Q8 | — | 18 | 1 | no | — |
| 203 | C3×Q8 | C3×C4×D3 | 1 | 8 | yes | — |
| 204 | C3×Q8 | C4×C3⋊D3 | 1 | 2 | yes | — |
| 205 | C2×C3×C4 | — | 2 | 4 | no | — |
| 206 | C2×C3×C4 | — | 2 | 1 | no | — |
| 207 | C2×C3×C4 | — | 2 | 4 | no | — |
| 208 | C2×C3×C4 | — | 2 | 1 | no | — |
| 209 | C2×C3×C4 | — | 2 | 4 | no | — |
| 210 | C2×C3×C4 | — | 4 | 4 | no | — |
| 211 | C2×C3×C4 | — | 4 | 4 | no | — |
| 212 | C2×C3×C4 | — | 9 | 1 | no | — |
| 213 | C2×C3×C4 | — | 9 | 1 | no | — |
| 214 | C2×C3×C4 | — | 18 | 1 | no | — |
| 215 | C2×C3×C4 | — | 18 | 1 | no | — |
| 216 | C2×C3×C4 | C22×C3×D3 | 1 | 4 | yes | — |
| 217 | C2×C3×C4 | C22×C3⋊D3 | 1 | 1 | yes | characteristic |
| 218 | C2×Dic3 | — | 3 | 4 | no | — |
| 219 | C2×Dic3 | — | 3 | 4 | no | — |
| 220 | C2×Dic3 | — | 6 | 4 | no | — |
| 221 | C2×Dic3 | — | 6 | 4 | no | — |
| 222 | Dic6 | — | 3 | 8 | no | — |
| 223 | Dic6 | — | 6 | 4 | no | — |
| 224 | C3×C8 | — | 2 | 4 | no | — |
| 225 | C3×C8 | — | 2 | 1 | no | — |
| 226 | C3×C8 | — | 4 | 4 | no | — |
| 227 | C3×C8 | — | 9 | 2 | no | — |
| 228 | C3⋊C8 | — | 3 | 8 | no | — |
| 229 | C2×C32 | — | 2 | 4 | no | — |
| 230 | C2×C32 | — | 2 | 4 | no | — |
| 231 | C2×C32 | — | 2 | 4 | no | — |
| 232 | C2×C32 | #67⋊C4 | 1 | 4 | yes | — |
| 233 | C2×C32 | #916 | 1 | 4 | yes | — |
| 234 | C2×C32 | D3×Q16 | 1 | 4 | yes | — |
| 235 | C2×C32 | C3×C4×D4 | 1 | 1 | yes | characteristic |
| 236 | C2×C32 | C2×C3×Q16 | 1 | 1 | yes | characteristic |
| 237 | C2×C32 | C3×#135 | 1 | 1 | yes | characteristic |
| 238 | C2×Q8 | — | 9 | 1 | no | — |
| 239 | C2×Q8 | C2×C3×C3⋊D3 | 1 | 1 | yes | characteristic |
| 240 | Q16 | — | 9 | 4 | no | — |
| 241 | C2×C8 | — | 9 | 1 | no | — |
| 242 | C2×C8 | C2×C3×C3⋊D3 | 1 | 1 | yes | characteristic |
| 243 | C4⋊C4 | — | 9 | 1 | no | — |
| 244 | C4⋊C4 | — | 18 | 1 | no | — |
| 245 | C4⋊C4 | — | 18 | 1 | no | — |
| 246 | C4⋊C4 | C2×C3×C3⋊D3 | 1 | 1 | yes | characteristic |
| 247 | C42 | — | 9 | 1 | no | — |
| 248 | C42 | — | 18 | 1 | no | — |
| 249 | C42 | — | 18 | 1 | no | — |
| 250 | C22×C3 | — | 2 | 4 | no | — |
| 251 | C22×C3 | C3×D3×D4 | 1 | 4 | yes | — |
| 252 | C22×C3 | D4×C3⋊D3 | 1 | 1 | yes | characteristic |
| 253 | C3×C4 | — | 2 | 8 | no | — |
| 254 | C3×C4 | — | 2 | 2 | no | — |
| 255 | C3×C4 | — | 2 | 4 | no | — |
| 256 | C3×C4 | — | 2 | 4 | no | — |
| 257 | C3×C4 | — | 4 | 8 | no | — |
| 258 | C3×C4 | — | 4 | 4 | no | — |
| 259 | C3×C4 | — | 4 | 1 | no | — |
| 260 | C3×C4 | — | 8 | 4 | no | — |
| 261 | C3×C4 | — | 9 | 2 | no | — |
| 262 | C3×C4 | — | 18 | 2 | no | — |
| 263 | C3×C4 | — | 18 | 1 | no | — |
| 264 | C3×C4 | — | 36 | 1 | no | — |
| 265 | C3×C4 | C2×C3×C4×D3 | 1 | 4 | yes | — |
| 266 | C3×C4 | C3×#237 | 1 | 4 | yes | — |
| 267 | C3×C4 | C2×C4×C3⋊D3 | 1 | 1 | yes | characteristic |
| 268 | C3×C4 | #3830 | 1 | 1 | yes | characteristic |
| 269 | Dic3 | — | 3 | 8 | no | — |
| 270 | Dic3 | — | 6 | 8 | no | — |
| 271 | Dic3 | — | 6 | 4 | no | — |
| 272 | Dic3 | — | 12 | 4 | no | — |
| 273 | C32 | — | 2 | 4 | no | — |
| 274 | C32 | #4790 | 1 | 4 | yes | complemented |
| 275 | C32 | C3×C4×Q16 | 1 | 1 | yes | characteristic, complemented |
| 276 | Q8 | — | 2 | 1 | no | — |
| 277 | Q8 | — | 9 | 2 | no | — |
| 278 | Q8 | — | 18 | 1 | no | — |
| 279 | Q8 | C3×C4×C3⋊D3 | 1 | 2 | yes | — |
| 280 | C2×C4 | — | 2 | 1 | no | — |
| 281 | C2×C4 | — | 2 | 1 | no | — |
| 282 | C2×C4 | — | 9 | 1 | no | — |
| 283 | C2×C4 | — | 9 | 1 | no | — |
| 284 | C2×C4 | — | 18 | 1 | no | — |
| 285 | C2×C4 | — | 18 | 1 | no | — |
| 286 | C2×C4 | C22×C3×C3⋊D3 | 1 | 1 | yes | characteristic |
| 287 | C8 | — | 2 | 1 | no | — |
| 288 | C8 | — | 9 | 2 | no | — |
| 289 | C2×C3 | — | 2 | 4 | no | — |
| 290 | C2×C3 | — | 2 | 4 | no | — |
| 291 | C2×C3 | — | 2 | 4 | no | — |
| 292 | C2×C3 | C3×#67⋊C4 | 1 | 4 | yes | — |
| 293 | C2×C3 | C3×#916 | 1 | 4 | yes | — |
| 294 | C2×C3 | C3×D3×Q16 | 1 | 4 | yes | — |
| 295 | C2×C3 | #64090 | 1 | 1 | yes | characteristic |
| 296 | C2×C3 | #64125 | 1 | 1 | yes | characteristic |
| 297 | C2×C3 | Q16×C3⋊D3 | 1 | 1 | yes | characteristic |
| 298 | C22 | C3×D4×C3⋊D3 | 1 | 1 | yes | characteristic |
| 299 | C4 | — | 2 | 2 | no | — |
| 300 | C4 | — | 4 | 1 | no | — |
| 301 | C4 | — | 9 | 2 | no | — |
| 302 | C4 | — | 18 | 2 | no | — |
| 303 | C4 | — | 18 | 1 | no | — |
| 304 | C4 | — | 36 | 1 | no | — |
| 305 | C4 | C2×C3×C4×C3⋊D3 | 1 | 1 | yes | characteristic |
| 306 | C4 | C3×#3830 | 1 | 1 | yes | characteristic |
| 307 | C3 | — | 2 | 4 | no | — |
| 308 | C3 | C3×#4790 | 1 | 4 | yes | complemented |
| 309 | C3 | #10592489 | 1 | 1 | yes | characteristic, direct product factor |
| 310 | C2 | C3×#64090 | 1 | 1 | yes | characteristic |
| 311 | C2 | C3×#64125 | 1 | 1 | yes | characteristic |
| 312 | C2 | C3×Q16×C3⋊D3 | 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