Extensions 1→N→G→Q→1 with N=C2 and Q=C9×Dic5

Direct product G=N×Q with N=C2 and Q=C9×Dic5
dρLabelID
C18×Dic5360C18xDic5360,18


Non-split extensions G=N.Q with N=C2 and Q=C9×Dic5
extensionφ:Q→Aut NdρLabelID
C2.(C9×Dic5) = C9×C52C8central extension (φ=1)3602C2.(C9xDic5)360,2

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