Extensions 1→N→G→Q→1 with N=C₂² and Q=C₃×D₇

Direct product G=N×Q with N=C₂² and Q=C₃×D₇

		d	ρ	Label	ID
C₂×C₆×D₇		84		C2xC6xD7	168,54

Semidirect products G=N:Q with N=C₂² and Q=C₃×D₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊(C₃×D₇) = A₄×D₇	φ: C₃×D₇/D₇ → C₃ ⊆ Aut C₂²	28	6+	C2^2:(C3xD7)	168,48
C₂²⋊₂(C₃×D₇) = C₃×C₇⋊D₄	φ: C₃×D₇/C₂₁ → C₂ ⊆ Aut C₂²	84	2	C2^2:2(C3xD7)	168,28

Non-split extensions G=N.Q with N=C₂² and Q=C₃×D₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².(C₃×D₇) = C₆×Dic₇	central extension (φ=1)	168		C2^2.(C3xD7)	168,27

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Extensions 1→N→G→Q→1 with N=C22 and Q=C3×D7