Extensions 1→N→G→Q→1 with N=C25 and Q=C4

Direct product G=NxQ with N=C25 and Q=C4
dρLabelID
C1001001C100100,2

Semidirect products G=N:Q with N=C25 and Q=C4
extensionφ:Q→Aut NdρLabelID
C25:C4 = C25:C4φ: C4/C1C4 ⊆ Aut C25254+C25:C4100,3
C25:2C4 = Dic25φ: C4/C2C2 ⊆ Aut C251002-C25:2C4100,1


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