Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂²×D₃₁

Direct product G=N×Q with N=C₂ and Q=C₂²×D₃₁

		d	ρ	Label	ID
C₂³×D₃₁		248		C2^3xD31	496,41

Non-split extensions G=N.Q with N=C₂ and Q=C₂²×D₃₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂²×D₃₁) = C₂×C₄×D₃₁	central extension (φ=1)	248		C2.1(C2^2xD31)	496,28
C₂.₂(C₂²×D₃₁) = C₂²×Dic₃₁	central extension (φ=1)	496		C2.2(C2^2xD31)	496,35
C₂.₃(C₂²×D₃₁) = C₂×Dic₆₂	central stem extension (φ=1)	496		C2.3(C2^2xD31)	496,27
C₂.₄(C₂²×D₃₁) = C₂×D₁₂₄	central stem extension (φ=1)	248		C2.4(C2^2xD31)	496,29
C₂.₅(C₂²×D₃₁) = D₁₂₄⋊₅C₂	central stem extension (φ=1)	248	2	C2.5(C2^2xD31)	496,30
C₂.₆(C₂²×D₃₁) = D₄×D₃₁	central stem extension (φ=1)	124	4+	C2.6(C2^2xD31)	496,31
C₂.₇(C₂²×D₃₁) = D₄⋊₂D₃₁	central stem extension (φ=1)	248	4-	C2.7(C2^2xD31)	496,32
C₂.₈(C₂²×D₃₁) = Q₈×D₃₁	central stem extension (φ=1)	248	4-	C2.8(C2^2xD31)	496,33
C₂.₉(C₂²×D₃₁) = Q₈⋊₂D₃₁	central stem extension (φ=1)	248	4+	C2.9(C2^2xD31)	496,34
C₂.₁₀(C₂²×D₃₁) = C₂×C₃₁⋊D₄	central stem extension (φ=1)	248		C2.10(C2^2xD31)	496,36

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