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Irr Reps
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Extensions 1→N→G→Q→1 with N=C2 and Q=C2xDic19

Direct product G=NxQ with N=C2 and Q=C2xDic19
dρLabelID
C22xDic19304C2^2xDic19304,35


Non-split extensions G=N.Q with N=C2 and Q=C2xDic19
extensionφ:Q→Aut NdρLabelID
C2.1(C2xDic19) = C2xC19:C8central extension (φ=1)304C2.1(C2xDic19)304,8
C2.2(C2xDic19) = C4xDic19central extension (φ=1)304C2.2(C2xDic19)304,10
C2.3(C2xDic19) = C76.C4central stem extension (φ=1)1522C2.3(C2xDic19)304,9
C2.4(C2xDic19) = C76:C4central stem extension (φ=1)304C2.4(C2xDic19)304,12
C2.5(C2xDic19) = C23.D19central stem extension (φ=1)152C2.5(C2xDic19)304,18

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