Extensions 1→N→G→Q→1 with N=C₂ and Q=D₁₂₄

Direct product G=N×Q with N=C₂ and Q=D₁₂₄

		d	ρ	Label	ID
C₂×D₁₂₄		248		C2xD124	496,29

Non-split extensions G=N.Q with N=C₂ and Q=D₁₂₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₁₂₄ = C₄⋊Dic₃₁	central extension (φ=1)	496		C2.1D124	496,12
C₂.₂D₁₂₄ = D₆₂⋊C₄	central extension (φ=1)	248		C2.2D124	496,13
C₂.₃D₁₂₄ = C₂₄₈⋊C₂	central stem extension (φ=1)	248	2	C2.3D124	496,5
C₂.₄D₁₂₄ = D₂₄₈	central stem extension (φ=1)	248	2+	C2.4D124	496,6
C₂.₅D₁₂₄ = Dic₁₂₄	central stem extension (φ=1)	496	2-	C2.5D124	496,7

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