Extensions 1→N→G→Q→1 with N=C₄ and Q=D₁₇

Direct product G=N×Q with N=C₄ and Q=D₁₇

		d	ρ	Label	ID
C₄×D₁₇		68	2	C4xD17	136,5

Semidirect products G=N:Q with N=C₄ and Q=D₁₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄⋊D₁₇ = D₆₈	φ: D₁₇/C₁₇ → C₂ ⊆ Aut C₄	68	2+	C4:D17	136,6

Non-split extensions G=N.Q with N=C₄ and Q=D₁₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄.D₁₇ = Dic₃₄	φ: D₁₇/C₁₇ → C₂ ⊆ Aut C₄	136	2-	C4.D17	136,4
C₄.₂D₁₇ = C₁₇⋊₃C₈	central extension (φ=1)	136	2	C4.2D17	136,1

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Extensions 1→N→G→Q→1 with N=C4 and Q=D17