d | ρ | Label | ID | ||
---|---|---|---|---|---|
C2xC7:D4 | 56 | C2xC7:D4 | 112,36 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C2.1(C7:D4) = Dic7:C4 | central extension (φ=1) | 112 | C2.1(C7:D4) | 112,11 | |
C2.2(C7:D4) = D14:C4 | central extension (φ=1) | 56 | C2.2(C7:D4) | 112,13 | |
C2.3(C7:D4) = C23.D7 | central extension (φ=1) | 56 | C2.3(C7:D4) | 112,18 | |
C2.4(C7:D4) = D4:D7 | central stem extension (φ=1) | 56 | 4+ | C2.4(C7:D4) | 112,14 |
C2.5(C7:D4) = D4.D7 | central stem extension (φ=1) | 56 | 4- | C2.5(C7:D4) | 112,15 |
C2.6(C7:D4) = Q8:D7 | central stem extension (φ=1) | 56 | 4+ | C2.6(C7:D4) | 112,16 |
C2.7(C7:D4) = C7:Q16 | central stem extension (φ=1) | 112 | 4- | C2.7(C7:D4) | 112,17 |