Extensions 1→N→G→Q→1 with N=C₂ and Q=D₇₈

Direct product G=N×Q with N=C₂ and Q=D₇₈

		d	ρ	Label	ID
C₂²×D₃₉		156		C2^2xD39	312,60

Non-split extensions G=N.Q with N=C₂ and Q=D₇₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₇₈ = C₄×D₃₉	central extension (φ=1)	156	2	C2.1D78	312,38
C₂.₂D₇₈ = C₂×Dic₃₉	central extension (φ=1)	312		C2.2D78	312,40
C₂.₃D₇₈ = Dic₇₈	central stem extension (φ=1)	312	2-	C2.3D78	312,37
C₂.₄D₇₈ = D₁₅₆	central stem extension (φ=1)	156	2+	C2.4D78	312,39
C₂.₅D₇₈ = C₃₉⋊₇D₄	central stem extension (φ=1)	156	2	C2.5D78	312,41

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