local result, l, i5;
i5:= Sqrt(-5);
result:= rec();
result.comment:=
"2\"S5- as 4 x 4 matrices over Z[i5].\n\
Rep 2a+2b.\n\
";
result.symmetricforms:= [];
result.antisymmetricforms:= [];
result.hermitianforms:= [];
result.centralizeralgebra:= [];
result.generators:= List( [ [
-2,1+i5,2,-i5,
0,0,-1,0,
0,1,0,0,
-i5,-2,-1+i5,2]
,[
-1,0,-1,-1,
1,-1,-1,i5,
0,1,0,1,
1-i5,-1,-1,2]
], l -> List( [ 0 .. 3 ],
i -> l{ [ i*4+1 .. (i+1)*4 ] } ) );

return result;
