Extensions 1→N→G→Q→1 with N=C₃×C₆ and Q=C₂₁

Direct product G=N×Q with N=C₃×C₆ and Q=C₂₁

		d	ρ	Label	ID
C₃²×C₄₂		378		C3^2xC42	378,60

Semidirect products G=N:Q with N=C₃×C₆ and Q=C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
(C₃×C₆)⋊C₂₁ = C₁₄×He₃	φ: C₂₁/C₇ → C₃ ⊆ Aut C₃×C₆	126	3	(C3xC6):C21	378,45

Non-split extensions G=N.Q with N=C₃×C₆ and Q=C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
(C₃×C₆).C₂₁ = C₁₄×3_-¹⁺²	φ: C₂₁/C₇ → C₃ ⊆ Aut C₃×C₆	126	3	(C3xC6).C21	378,46

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Extensions 1→N→G→Q→1 with N=C3×C6 and Q=C21