local i, result;

i := E(4);

result := rec();

result.comment := "U33 as 28 x 28 matrices\n\
";

result.symmetricforms := [ ];

result.antisymmetricforms := [ ];

result.hermitianforms := [ ];

result.centralizeralgebra := [ ];

result.generators := [
[[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[-i,-1,-1,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[i,0,0,-1,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0],
[-1,0,0,-1,-1-i,-1,-1-i,0,-1,-1,0,0,-1,0,-1,0,-1-i,-1,0,0,-1,0,0,-1-i,-1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0],
[i,-1+i,1,1+2*i,1+2*i,1+i,-1,i,0,0,-2+2*i,1-i,-1,-1+i,1+i,0,-1+i,-1+2*i,i,1+2*i,1+i,0,-1-i,-1,i,-1+i,2+i,1],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0],
[i,0,0,0,0,0,0,i,0,0,i,0,0,0,0,0,0,i,0,0,0,0,0,0,i,-1,0,0],
[2,-1,1-i,1+2*i,1+2*i,1+i,-1,1,1,0,-1+i,1-i,0,-1,1+i,0,i,i,0,1+2*i,1+i,0,-i,0,1,-1+i,1+i,1],
[0,0,0,0,0,0,0,-i,0,0,-i,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1]]
,
[[0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,-1,i,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0],
[-1,0,0,-i,0,-i,0,-1,0,0,0,0,0,0,0,0,0,0,0,-i,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0],
[-1,i,i,0,0,0,0,0,-1,0,0,i,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[-1+2*i,-1+i,1-i,i,1+2*i,i,-2,-1+i,-1,0,-2+i,1-2*i,-1,-1+i,1+i,-i,-1+i,-2+2*i,i,i,i,0,-2-i,-2,-1+i,-2,2+i,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],
[i,i,-i,1,2,1,-1+i,i,0,0,-1+2*i,-2*i,-1,i,1,0,0,2*i,i,1,1,i,-2,-1+i,i,-1+i,2,0],
[-i,-i,i,-1,-2-i,-1,1-i,-i,0,-1,1-2*i,2*i,1,-i,-1,i,-i,-2*i,-i,-1,-1,0,2,1-i,-i,1-i,-2,0],
[0,-1,1,i,i,0,-i,0,0,0,-1,1,-i,-1,0,0,0,-1,0,i,0,0,-i,-i,0,-1,i,0],
[1,-i,0,-1,-1,0,1,1,1,0,1-i,i,1,-i,0,0,0,1-i,0,-1,0,0,1,1,1,0,-1,0],
[1,-i,-i,0,0,0,0,0,1,0,0,0,1,0,0,i,0,1,0,0,0,i,0,0,1,0,0,0],
[-i,-i,i,-1,-2,-1,1-i,-i,0,0,1-2*i,2*i,1,-i,-1,0,0,-2*i,-i,-1,-1,-i,2,1,-i,1-i,-2,0]]];

return result;