Extensions 1→N→G→Q→1 with N=C₂² and Q=C₅²:C₄

Direct product G=NxQ with N=C₂² and Q=C₅²:C₄

		d	ρ	Label	ID
C₂²xC₅²:C₄		40		C2^2xC5^2:C4	400,217

Semidirect products G=N:Q with N=C₂² and Q=C₅²:C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²:(C₅²:C₄) = C₁₀²:₄C₄	φ: C₅²:C₄/C₅:D₅ → C₂ ⊆ Aut C₂²	20	4+	C2^2:(C5^2:C4)	400,162

Non-split extensions G=N.Q with N=C₂² and Q=C₅²:C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².(C₅²:C₄) = C₅²:₁₄M₄(2)	φ: C₅²:C₄/C₅:D₅ → C₂ ⊆ Aut C₂²	40	4-	C2^2.(C5^2:C4)	400,161
C₂².₂(C₅²:C₄) = C₂xC₅²:₅C₈	central extension (φ=1)	80		C2^2.2(C5^2:C4)	400,160

Extensions 1→N→G→Q→1 with N=C22 and Q=C52:C4