d | ρ | Label | ID | ||
---|---|---|---|---|---|
D4xC34 | 136 | D4xC34 | 272,47 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C2.1(D4xC17) = C22:C4xC17 | central extension (φ=1) | 136 | C2.1(D4xC17) | 272,21 | |
C2.2(D4xC17) = C4:C4xC17 | central extension (φ=1) | 272 | C2.2(D4xC17) | 272,22 | |
C2.3(D4xC17) = D8xC17 | central stem extension (φ=1) | 136 | 2 | C2.3(D4xC17) | 272,25 |
C2.4(D4xC17) = SD16xC17 | central stem extension (φ=1) | 136 | 2 | C2.4(D4xC17) | 272,26 |
C2.5(D4xC17) = Q16xC17 | central stem extension (φ=1) | 272 | 2 | C2.5(D4xC17) | 272,27 |