Extensions 1→N→G→Q→1 with N=C₅² and Q=C₁₈

Direct product G=NxQ with N=C₅² and Q=C₁₈

		d	ρ	Label	ID
C₅xC₉₀		450		C5xC90	450,19

Semidirect products G=N:Q with N=C₅² and Q=C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₅²:C₁₈ = C₅²:C₁₈	φ: C₁₈/C₃ → C₆ ⊆ Aut C₅²	45	6	C5^2:C18	450,12
C₅²:₂C₁₈ = C₂xC₅²:C₉	φ: C₁₈/C₆ → C₃ ⊆ Aut C₅²	90	3	C5^2:2C18	450,13
C₅²:₃C₁₈ = D₅xC₄₅	φ: C₁₈/C₉ → C₂ ⊆ Aut C₅²	90	2	C5^2:3C18	450,14
C₅²:₄C₁₈ = C₉xC₅:D₅	φ: C₁₈/C₉ → C₂ ⊆ Aut C₅²	225		C5^2:4C18	450,15

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