Extensions 1→N→G→Q→1 with N=C₄² and Q=C₂₁

Direct product G=N×Q with N=C₄² and Q=C₂₁

		d	ρ	Label	ID
C₄×C₈₄		336		C4xC84	336,106

Semidirect products G=N:Q with N=C₄² and Q=C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄²⋊C₂₁ = C₇×C₄²⋊C₃	φ: C₂₁/C₇ → C₃ ⊆ Aut C₄²	84	3	C4^2:C21	336,56

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