Extensions 1→N→G→Q→1 with N=C2×C10 and Q=A4

Direct product G=N×Q with N=C2×C10 and Q=A4
dρLabelID
A4×C2×C1060A4xC2xC10240,203

Semidirect products G=N:Q with N=C2×C10 and Q=A4
extensionφ:Q→Aut NdρLabelID
(C2×C10)⋊A4 = C5×C22⋊A4φ: A4/C22C3 ⊆ Aut C2×C1060(C2xC10):A4240,204

Non-split extensions G=N.Q with N=C2×C10 and Q=A4
extensionφ:Q→Aut NdρLabelID
(C2×C10).A4 = C5×C42⋊C3φ: A4/C22C3 ⊆ Aut C2×C10603(C2xC10).A4240,32
(C2×C10).2A4 = C10×SL2(𝔽3)central extension (φ=1)80(C2xC10).2A4240,153

׿
×
𝔽