Extensions 1→N→G→Q→1 with N=C₇ and Q=C₂×C₁₈

Direct product G=N×Q with N=C₇ and Q=C₂×C₁₈

		d	ρ	Label	ID
C₂×C₁₂₆		252		C2xC126	252,15

Semidirect products G=N:Q with N=C₇ and Q=C₂×C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇⋊(C₂×C₁₈) = C₂×C₇⋊C₁₈	φ: C₂×C₁₈/C₆ → C₆ ⊆ Aut C₇	126	6	C7:(C2xC18)	252,7
C₇⋊₂(C₂×C₁₈) = C₂²×C₇⋊C₉	φ: C₂×C₁₈/C₂×C₆ → C₃ ⊆ Aut C₇	252		C7:2(C2xC18)	252,9
C₇⋊₃(C₂×C₁₈) = D₇×C₁₈	φ: C₂×C₁₈/C₁₈ → C₂ ⊆ Aut C₇	126	2	C7:3(C2xC18)	252,12

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