Extensions 1→N→G→Q→1 with N=C7:C3 and Q=C20

Direct product G=NxQ with N=C7:C3 and Q=C20
dρLabelID
C20xC7:C31403C20xC7:C3420,4

Semidirect products G=N:Q with N=C7:C3 and Q=C20
extensionφ:Q→Out NdρLabelID
C7:C3:C20 = C5xC7:C12φ: C20/C10C2 ⊆ Out C7:C31406C7:C3:C20420,1


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