extension | φ:Q→Aut N | d | ρ | Label | ID |
C2.1(C22xD31) = C2xC4xD31 | central extension (φ=1) | 248 | | C2.1(C2^2xD31) | 496,28 |
C2.2(C22xD31) = C22xDic31 | central extension (φ=1) | 496 | | C2.2(C2^2xD31) | 496,35 |
C2.3(C22xD31) = C2xDic62 | central stem extension (φ=1) | 496 | | C2.3(C2^2xD31) | 496,27 |
C2.4(C22xD31) = C2xD124 | central stem extension (φ=1) | 248 | | C2.4(C2^2xD31) | 496,29 |
C2.5(C22xD31) = D124:5C2 | central stem extension (φ=1) | 248 | 2 | C2.5(C2^2xD31) | 496,30 |
C2.6(C22xD31) = D4xD31 | central stem extension (φ=1) | 124 | 4+ | C2.6(C2^2xD31) | 496,31 |
C2.7(C22xD31) = D4:2D31 | central stem extension (φ=1) | 248 | 4- | C2.7(C2^2xD31) | 496,32 |
C2.8(C22xD31) = Q8xD31 | central stem extension (φ=1) | 248 | 4- | C2.8(C2^2xD31) | 496,33 |
C2.9(C22xD31) = Q8:2D31 | central stem extension (φ=1) | 248 | 4+ | C2.9(C2^2xD31) | 496,34 |
C2.10(C22xD31) = C2xC31:D4 | central stem extension (φ=1) | 248 | | C2.10(C2^2xD31) | 496,36 |