Extensions 1→N→G→Q→1 with N=C8 and Q=D5

Direct product G=NxQ with N=C8 and Q=D5
dρLabelID
C8xD5402C8xD580,4

Semidirect products G=N:Q with N=C8 and Q=D5
extensionφ:Q→Aut NdρLabelID
C8:1D5 = D40φ: D5/C5C2 ⊆ Aut C8402+C8:1D580,7
C8:2D5 = C40:C2φ: D5/C5C2 ⊆ Aut C8402C8:2D580,6
C8:3D5 = C8:D5φ: D5/C5C2 ⊆ Aut C8402C8:3D580,5

Non-split extensions G=N.Q with N=C8 and Q=D5
extensionφ:Q→Aut NdρLabelID
C8.D5 = Dic20φ: D5/C5C2 ⊆ Aut C8802-C8.D580,8
C8.2D5 = C5:2C16central extension (φ=1)802C8.2D580,1

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