Extensions 1→N→G→Q→1 with N=C4xD5 and Q=C4

Direct product G=NxQ with N=C4xD5 and Q=C4
dρLabelID
D5xC4280D5xC4^2160,92

Semidirect products G=N:Q with N=C4xD5 and Q=C4
extensionφ:Q→Out NdρLabelID
(C4xD5):1C4 = D5xC4:C4φ: C4/C2C2 ⊆ Out C4xD580(C4xD5):1C4160,112
(C4xD5):2C4 = C4:C4:7D5φ: C4/C2C2 ⊆ Out C4xD580(C4xD5):2C4160,113
(C4xD5):3C4 = C42:D5φ: C4/C2C2 ⊆ Out C4xD580(C4xD5):3C4160,93
(C4xD5):4C4 = C2xC4:F5φ: C4/C2C2 ⊆ Out C4xD540(C4xD5):4C4160,204
(C4xD5):5C4 = C2xC4xF5φ: C4/C2C2 ⊆ Out C4xD540(C4xD5):5C4160,203
(C4xD5):6C4 = D10.C23φ: C4/C2C2 ⊆ Out C4xD5404(C4xD5):6C4160,205

Non-split extensions G=N.Q with N=C4xD5 and Q=C4
extensionφ:Q→Out NdρLabelID
(C4xD5).1C4 = D5xM4(2)φ: C4/C2C2 ⊆ Out C4xD5404(C4xD5).1C4160,127
(C4xD5).2C4 = C80:C2φ: C4/C2C2 ⊆ Out C4xD5802(C4xD5).2C4160,5
(C4xD5).3C4 = C2xC8:D5φ: C4/C2C2 ⊆ Out C4xD580(C4xD5).3C4160,121
(C4xD5).4C4 = C2xC4.F5φ: C4/C2C2 ⊆ Out C4xD580(C4xD5).4C4160,201
(C4xD5).5C4 = D5:C16φ: C4/C2C2 ⊆ Out C4xD5804(C4xD5).5C4160,64
(C4xD5).6C4 = C8.F5φ: C4/C2C2 ⊆ Out C4xD5804(C4xD5).6C4160,65
(C4xD5).7C4 = C2xD5:C8φ: C4/C2C2 ⊆ Out C4xD580(C4xD5).7C4160,200
(C4xD5).8C4 = D5:M4(2)φ: C4/C2C2 ⊆ Out C4xD5404(C4xD5).8C4160,202
(C4xD5).9C4 = D5xC16φ: trivial image802(C4xD5).9C4160,4
(C4xD5).10C4 = D5xC2xC8φ: trivial image80(C4xD5).10C4160,120

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