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

Direct product G=N×Q with N=C₃ and Q=C₇⋊C₁₈

		d	ρ	Label	ID
C₃×C₇⋊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

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