Extensions 1→N→G→Q→1 with N=C₂ and Q=C₃₉⋊C₄

Direct product G=N×Q with N=C₂ and Q=C₃₉⋊C₄

		d	ρ	Label	ID
C₂×C₃₉⋊C₄		78	4	C2xC39:C4	312,53

Non-split extensions G=N.Q with N=C₂ and Q=C₃₉⋊C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₃₉⋊C₄) = C₃₉⋊C₈	central extension (φ=1)	312	4	C2.(C39:C4)	312,14

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Extensions 1→N→G→Q→1 with N=C2 and Q=C39⋊C4