d | ρ | Label | ID | ||
---|---|---|---|---|---|
C22×D57 | 228 | C2^2xD57 | 456,53 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C2.1D114 = C4×D57 | central extension (φ=1) | 228 | 2 | C2.1D114 | 456,35 |
C2.2D114 = C2×Dic57 | central extension (φ=1) | 456 | C2.2D114 | 456,37 | |
C2.3D114 = Dic114 | central stem extension (φ=1) | 456 | 2- | C2.3D114 | 456,34 |
C2.4D114 = D228 | central stem extension (φ=1) | 228 | 2+ | C2.4D114 | 456,36 |
C2.5D114 = C57⋊7D4 | central stem extension (φ=1) | 228 | 2 | C2.5D114 | 456,38 |