Extensions 1→N→G→Q→1 with N=C4:F5 and Q=C2

Direct product G=NxQ with N=C4:F5 and Q=C2
dρLabelID
C2xC4:F540C2xC4:F5160,204

Semidirect products G=N:Q with N=C4:F5 and Q=C2
extensionφ:Q→Out NdρLabelID
C4:F5:1C2 = D20:C4φ: C2/C1C2 ⊆ Out C4:F5408+C4:F5:1C2160,82
C4:F5:2C2 = D4xF5φ: C2/C1C2 ⊆ Out C4:F5208+C4:F5:2C2160,207
C4:F5:3C2 = D10.C23φ: trivial image404C4:F5:3C2160,205

Non-split extensions G=N.Q with N=C4:F5 and Q=C2
extensionφ:Q→Out NdρLabelID
C4:F5.1C2 = Q8:F5φ: C2/C1C2 ⊆ Out C4:F5408-C4:F5.1C2160,84
C4:F5.2C2 = Q8xF5φ: C2/C1C2 ⊆ Out C4:F5408-C4:F5.2C2160,209
C4:F5.3C2 = C40:C4φ: C2/C1C2 ⊆ Out C4:F5404C4:F5.3C2160,68
C4:F5.4C2 = D5.D8φ: C2/C1C2 ⊆ Out C4:F5404C4:F5.4C2160,69

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