GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#6 6x1 % Zeilenmatrix 1 0 0 0 0 0 6x1 % Zeilenmatrix 0 1 0 0 0 0 6x1 % Zeilenmatrix 0 0 1 0 0 0 6x1 % Zeilenmatrix 0 0 0 1 0 0 6x1 % Zeilenmatrix 0 0 0 0 1 0 6x1 % Zeilenmatrix 0 0 0 0 0 1