d | ρ | Label | ID | ||
---|---|---|---|---|---|
C2×D84 | 168 | C2xD84 | 336,196 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C2.1D84 = C84⋊C4 | central extension (φ=1) | 336 | C2.1D84 | 336,99 | |
C2.2D84 = C2.D84 | central extension (φ=1) | 168 | C2.2D84 | 336,100 | |
C2.3D84 = C8⋊D21 | central stem extension (φ=1) | 168 | 2 | C2.3D84 | 336,92 |
C2.4D84 = D168 | central stem extension (φ=1) | 168 | 2+ | C2.4D84 | 336,93 |
C2.5D84 = Dic84 | central stem extension (φ=1) | 336 | 2- | C2.5D84 | 336,94 |