"Source: Text/Incidence/AlgSym.text";
"Line: 142";
"Date: Fri Sep 26 12:10:10 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Incidence/AlgSym.text, line: 142
// Example: H159E1 ()
print "Example: H159E1";
ei := GetEchoInput();
SetEchoInput(true);
Q := Rationals();
S := SFASchur(Rationals());
e := S.[2,1];
P2<[x]> := PolynomialRing(Q, 2);
P2 ! e;
P3<[y]> := PolynomialRing(Q, 3);
P3 ! e;
P4<[z]> := PolynomialRing(Q, 4);
P4 ! e;
P5<[w]> := PolynomialRing(Q, 5);
P5 ! e;
SetEchoInput(ei);
