Extensions 1→N→G→Q→1 with N=C₄ and Q=D₁₉

Direct product G=N×Q with N=C₄ and Q=D₁₉

		d	ρ	Label	ID
C₄×D₁₉		76	2	C4xD19	152,4

Semidirect products G=N:Q with N=C₄ and Q=D₁₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄⋊D₁₉ = D₇₆	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₄	76	2+	C4:D19	152,5

Non-split extensions G=N.Q with N=C₄ and Q=D₁₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄.D₁₉ = Dic₃₈	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₄	152	2-	C4.D19	152,3
C₄.₂D₁₉ = C₁₉⋊C₈	central extension (φ=1)	152	2	C4.2D19	152,1

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Extensions 1→N→G→Q→1 with N=C4 and Q=D19