Extensions 1→N→G→Q→1 with N=D4 and Q=C13:C4

Direct product G=NxQ with N=D4 and Q=C13:C4
dρLabelID
D4xC13:C4528+D4xC13:C4416,206

Semidirect products G=N:Q with N=D4 and Q=C13:C4
extensionφ:Q→Out NdρLabelID
D4:1(C13:C4) = D52:1C4φ: C13:C4/D13C2 ⊆ Out D41048+D4:1(C13:C4)416,82
D4:2(C13:C4) = Dic26:C4φ: C13:C4/D13C2 ⊆ Out D41048-D4:2(C13:C4)416,83

Non-split extensions G=N.Q with N=D4 and Q=C13:C4
extensionφ:Q→Out NdρLabelID
D4.(C13:C4) = Dic26.C4φ: trivial image2088-D4.(C13:C4)416,205

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