Extensions 1→N→G→Q→1 with N=C2xC10 and Q=A4

Direct product G=NxQ with N=C2xC10 and Q=A4
dρLabelID
A4xC2xC1060A4xC2xC10240,203

Semidirect products G=N:Q with N=C2xC10 and Q=A4
extensionφ:Q→Aut NdρLabelID
(C2xC10):A4 = C5xC22:A4φ: A4/C22C3 ⊆ Aut C2xC1060(C2xC10):A4240,204

Non-split extensions G=N.Q with N=C2xC10 and Q=A4
extensionφ:Q→Aut NdρLabelID
(C2xC10).A4 = C5xC42:C3φ: A4/C22C3 ⊆ Aut C2xC10603(C2xC10).A4240,32
(C2xC10).2A4 = C10xSL2(F3)central extension (φ=1)80(C2xC10).2A4240,153

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