d | ρ | Label | ID | ||
---|---|---|---|---|---|
C22×D55 | 220 | C2^2xD55 | 440,50 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C2.1D110 = C4×D55 | central extension (φ=1) | 220 | 2 | C2.1D110 | 440,35 |
C2.2D110 = C2×Dic55 | central extension (φ=1) | 440 | C2.2D110 | 440,37 | |
C2.3D110 = Dic110 | central stem extension (φ=1) | 440 | 2- | C2.3D110 | 440,34 |
C2.4D110 = D220 | central stem extension (φ=1) | 220 | 2+ | C2.4D110 | 440,36 |
C2.5D110 = C55⋊7D4 | central stem extension (φ=1) | 220 | 2 | C2.5D110 | 440,38 |