53.8 IsClassFunction

IsClassFunction( obj )

returns true if obj is a class function, and false otherwise.

    gap> chi:= S4.charTable.irreducibles[3];
    [ 2, 2, -1, 0, 0 ]
    gap> IsClassFunction( chi );
    false
    gap> irr[3];
    Character( S4, [ 2, 2, -1, 0, 0 ] )
    gap> IsClassFunction( irr[3] );
    true 

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