Extensions 1→N→G→Q→1 with N=C₇ and Q=C₂xC₁₈

Direct product G=NxQ with N=C₇ and Q=C₂xC₁₈

		d	ρ	Label	ID
C₂xC₁₂₆		252		C2xC126	252,15

Semidirect products G=N:Q with N=C₇ and Q=C₂xC₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇:(C₂xC₁₈) = C₂xC₇:C₁₈	φ: C₂xC₁₈/C₆ → C₆ ⊆ Aut C₇	126	6	C7:(C2xC18)	252,7
C₇:₂(C₂xC₁₈) = C₂²xC₇:C₉	φ: C₂xC₁₈/C₂xC₆ → C₃ ⊆ Aut C₇	252		C7:2(C2xC18)	252,9
C₇:₃(C₂xC₁₈) = D₇xC₁₈	φ: C₂xC₁₈/C₁₈ → C₂ ⊆ Aut C₇	126	2	C7:3(C2xC18)	252,12

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