Extensions 1→N→G→Q→1 with N=C2 and Q=C5×D11

Direct product G=N×Q with N=C2 and Q=C5×D11
dρLabelID
C10×D111102C10xD11220,12


Non-split extensions G=N.Q with N=C2 and Q=C5×D11
extensionφ:Q→Aut NdρLabelID
C2.(C5×D11) = C5×Dic11central extension (φ=1)2202C2.(C5xD11)220,4

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