Extensions 1→N→G→Q→1 with N=C11:C5 and Q=C4

Direct product G=NxQ with N=C11:C5 and Q=C4
dρLabelID
C4xC11:C5445C4xC11:C5220,2

Semidirect products G=N:Q with N=C11:C5 and Q=C4
extensionφ:Q→Out NdρLabelID
C11:C5:C4 = C11:C20φ: C4/C2C2 ⊆ Out C11:C54410-C11:C5:C4220,1


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