d | ρ | Label | ID | ||
---|---|---|---|---|---|
C22×D15 | 60 | C2^2xD15 | 120,46 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C2.1D30 = C4×D15 | central extension (φ=1) | 60 | 2 | C2.1D30 | 120,27 |
C2.2D30 = C2×Dic15 | central extension (φ=1) | 120 | C2.2D30 | 120,29 | |
C2.3D30 = Dic30 | central stem extension (φ=1) | 120 | 2- | C2.3D30 | 120,26 |
C2.4D30 = D60 | central stem extension (φ=1) | 60 | 2+ | C2.4D30 | 120,28 |
C2.5D30 = C15⋊7D4 | central stem extension (φ=1) | 60 | 2 | C2.5D30 | 120,30 |