Extensions 1→N→G→Q→1 with N=C₂² and Q=Dic₂₁

Direct product G=N×Q with N=C₂² and Q=Dic₂₁

		d	ρ	Label	ID
C₂²×Dic₂₁		336		C2^2xDic21	336,202

Semidirect products G=N:Q with N=C₂² and Q=Dic₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊Dic₂₁ = A₄⋊Dic₇	φ: Dic₂₁/C₁₄ → S₃ ⊆ Aut C₂²	84	6-	C2^2:Dic21	336,120
C₂²⋊₂Dic₂₁ = C₄₂.₃₈D₄	φ: Dic₂₁/C₄₂ → C₂ ⊆ Aut C₂²	168		C2^2:2Dic21	336,105

Non-split extensions G=N.Q with N=C₂² and Q=Dic₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².Dic₂₁ = C₈₄.C₄	φ: Dic₂₁/C₄₂ → C₂ ⊆ Aut C₂²	168	2	C2^2.Dic21	336,96
C₂².₂Dic₂₁ = C₂×C₂₁⋊C₈	central extension (φ=1)	336		C2^2.2Dic21	336,95

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Extensions 1→N→G→Q→1 with N=C22 and Q=Dic21