Extensions 1→N→G→Q→1 with N=C2 and Q=C422C2

Direct product G=N×Q with N=C2 and Q=C422C2
dρLabelID
C2×C422C232C2xC4^2:2C264,209


Non-split extensions G=N.Q with N=C2 and Q=C422C2
extensionφ:Q→Aut NdρLabelID
C2.1(C422C2) = C425C4central extension (φ=1)64C2.1(C4^2:2C2)64,64
C2.2(C422C2) = C23.63C23central extension (φ=1)64C2.2(C4^2:2C2)64,68
C2.3(C422C2) = C24.C22central extension (φ=1)32C2.3(C4^2:2C2)64,69
C2.4(C422C2) = C23.Q8central stem extension (φ=1)32C2.4(C4^2:2C2)64,77
C2.5(C422C2) = C23.11D4central stem extension (φ=1)32C2.5(C4^2:2C2)64,78
C2.6(C422C2) = C23.83C23central stem extension (φ=1)64C2.6(C4^2:2C2)64,81
C2.7(C422C2) = C23.84C23central stem extension (φ=1)64C2.7(C4^2:2C2)64,82

׿
×
𝔽