local i, result; i := E(4); result := rec(); result.comment := "U33 as 6 x 6 matrices\n\ "; result.symmetricforms := [ ]; result.antisymmetricforms := [ ]; result.hermitianforms := [ ]; result.centralizeralgebra := [ ]; result.generators := [ [[0,1,0,0,0,0], [1,0,0,0,0,0], [0,0,0,1,0,0], [0,0,1,0,0,0], [0,0,0,0,-1,0], [-2+i,-2+i,i,i,0,-1]] , [[0,0,1,0,0,0], [-i,0,-1,0,0,0], [0,0,0,0,1,0], [0,0,0,0,0,1], [-i,-i,-1,0,0,0], [1,1-i,-i,-1,-1,1]]]; return result;