Extensions 1→N→G→Q→1 with N=C2 and Q=D5

Direct product G=N×Q with N=C2 and Q=D5
dρLabelID
D10102+D1020,4


Non-split extensions G=N.Q with N=C2 and Q=D5
extensionφ:Q→Aut NdρLabelID
C2.D5 = Dic5central extension (φ=1)202-C2.D520,1

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