Extensions 1→N→G→Q→1 with N=C5 and Q=Dic20

Direct product G=N×Q with N=C5 and Q=Dic20
dρLabelID
C5×Dic20802C5xDic20400,80

Semidirect products G=N:Q with N=C5 and Q=Dic20
extensionφ:Q→Aut NdρLabelID
C51Dic20 = C40.D5φ: Dic20/C40C2 ⊆ Aut C5400C5:1Dic20400,96
C52Dic20 = C523Q16φ: Dic20/Dic10C2 ⊆ Aut C5804-C5:2Dic20400,70

Non-split extensions G=N.Q with N=C5 and Q=Dic20
extensionφ:Q→Aut NdρLabelID
C5.Dic20 = Dic100φ: Dic20/C40C2 ⊆ Aut C54002-C5.Dic20400,4

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