Extensions 1→N→G→Q→1 with N=C2 and Q=C9×D5

Direct product G=N×Q with N=C2 and Q=C9×D5
dρLabelID
D5×C18902D5xC18180,9


Non-split extensions G=N.Q with N=C2 and Q=C9×D5
extensionφ:Q→Aut NdρLabelID
C2.(C9×D5) = C9×Dic5central extension (φ=1)1802C2.(C9xD5)180,2

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