Extensions 1→N→G→Q→1 with N=C₂² and Q=C₃×C₂₁

Direct product G=N×Q with N=C₂² and Q=C₃×C₂₁

		d	ρ	Label	ID
C₆×C₄₂		252		C6xC42	252,46

Semidirect products G=N:Q with N=C₂² and Q=C₃×C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊(C₃×C₂₁) = A₄×C₂₁	φ: C₃×C₂₁/C₂₁ → C₃ ⊆ Aut C₂²	84	3	C2^2:(C3xC21)	252,39

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