Extensions 1→N→G→Q→1 with N=C₃ and Q=C₇:C₁₈

Direct product G=NxQ with N=C₃ and Q=C₇:C₁₈

		d	ρ	Label	ID
C₃xC₇:C₁₈		189		C3xC7:C18	378,10

Semidirect products G=N:Q with N=C₃ and Q=C₇:C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₃:(C₇:C₁₈) = D₂₁:C₉	φ: C₇:C₁₈/C₇:C₉ → C₂ ⊆ Aut C₃	126	6	C3:(C7:C18)	378,21

Non-split extensions G=N.Q with N=C₃ and Q=C₇:C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₃.(C₇:C₁₈) = C₇:C₅₄	central extension (φ=1)	189	6	C3.(C7:C18)	378,1

Extensions 1→N→G→Q→1 with N=C3 and Q=C7:C18