Extensions 1→N→G→Q→1 with N=C₂ and Q=D₁₂₂

Direct product G=NxQ with N=C₂ and Q=D₁₂₂

		d	ρ	Label	ID
C₂²xD₆₁		244		C2^2xD61	488,13

Non-split extensions G=N.Q with N=C₂ and Q=D₁₂₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₁₂₂ = C₄xD₆₁	central extension (φ=1)	244	2	C2.1D122	488,5
C₂.₂D₁₂₂ = C₂xDic₆₁	central extension (φ=1)	488		C2.2D122	488,7
C₂.₃D₁₂₂ = Dic₁₂₂	central stem extension (φ=1)	488	2-	C2.3D122	488,4
C₂.₄D₁₂₂ = D₂₄₄	central stem extension (φ=1)	244	2+	C2.4D122	488,6
C₂.₅D₁₂₂ = C₆₁:D₄	central stem extension (φ=1)	244	2	C2.5D122	488,8

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