Extensions 1→N→G→Q→1 with N=C5 and Q=C5×D4

Direct product G=N×Q with N=C5 and Q=C5×D4
dρLabelID
D4×C52100D4xC5^2200,38

Semidirect products G=N:Q with N=C5 and Q=C5×D4
extensionφ:Q→Aut NdρLabelID
C51(C5×D4) = C5×D20φ: C5×D4/C20C2 ⊆ Aut C5402C5:1(C5xD4)200,29
C52(C5×D4) = C5×C5⋊D4φ: C5×D4/C2×C10C2 ⊆ Aut C5202C5:2(C5xD4)200,31

Non-split extensions G=N.Q with N=C5 and Q=C5×D4
extensionφ:Q→Aut NdρLabelID
C5.(C5×D4) = D4×C25central extension (φ=1)1002C5.(C5xD4)200,10

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