Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂xDic₂₀

Direct product G=NxQ with N=C₂ and Q=C₂xDic₂₀

		d	ρ	Label	ID
C₂²xDic₂₀		320		C2^2xDic20	320,1414

Non-split extensions G=N.Q with N=C₂ and Q=C₂xDic₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂xDic₂₀) = C₄xDic₂₀	central extension (φ=1)	320		C2.1(C2xDic20)	320,325
C₂.₂(C₂xDic₂₀) = C₂xC₂₀.₄₄D₄	central extension (φ=1)	320		C2.2(C2xDic20)	320,730
C₂.₃(C₂xDic₂₀) = C₂xC₄₀:₅C₄	central extension (φ=1)	320		C2.3(C2xDic20)	320,732
C₂.₄(C₂xDic₂₀) = C₂₀.₁₄Q₁₆	central stem extension (φ=1)	320		C2.4(C2xDic20)	320,308
C₂.₅(C₂xDic₂₀) = C₄₀:₈Q₈	central stem extension (φ=1)	320		C2.5(C2xDic20)	320,309
C₂.₆(C₂xDic₂₀) = C₂₀:₄Q₁₆	central stem extension (φ=1)	320		C2.6(C2xDic20)	320,326
C₂.₇(C₂xDic₂₀) = C₂³.₃₅D₂₀	central stem extension (φ=1)	160		C2.7(C2xDic20)	320,349
C₂.₈(C₂xDic₂₀) = C₂²:Dic₂₀	central stem extension (φ=1)	160		C2.8(C2xDic20)	320,366
C₂.₉(C₂xDic₂₀) = C₄:Dic₂₀	central stem extension (φ=1)	320		C2.9(C2xDic20)	320,476
C₂.₁₀(C₂xDic₂₀) = C₂₀.₇Q₁₆	central stem extension (φ=1)	320		C2.10(C2xDic20)	320,477
C₂.₁₁(C₂xDic₂₀) = C₄₀.₈₂D₄	central stem extension (φ=1)	160		C2.11(C2xDic20)	320,743

׿

x

:

Z

F

o

wr

Q

<