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Cn
Dn
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Irr Reps
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Extensions 1→N→G→Q→1 with N=C2 and Q=C20:C8

Direct product G=NxQ with N=C2 and Q=C20:C8
dρLabelID
C2xC20:C8320C2xC20:C8320,1085


Non-split extensions G=N.Q with N=C2 and Q=C20:C8
extensionφ:Q→Aut NdρLabelID
C2.1(C20:C8) = C20:C16central extension (φ=1)320C2.1(C20:C8)320,196
C2.2(C20:C8) = C10.(C4:C8)central extension (φ=1)320C2.2(C20:C8)320,256
C2.3(C20:C8) = C40:2C8central stem extension (φ=1)320C2.3(C20:C8)320,219
C2.4(C20:C8) = C40:1C8central stem extension (φ=1)320C2.4(C20:C8)320,220
C2.5(C20:C8) = C40.1C8central stem extension (φ=1)804C2.5(C20:C8)320,227

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