#g2 % space group to the point group of gn and cozycle coz
5	/2		% generator
 -2 0 0 0 0
  0 2 0 0 1
  0 0 2 0 1
  0 0 0 2 0
  0 0 0 0 2
5	% generator
 0 0 1 0 0
 0 0 0 1 0
 0 1 0 0 0
 1 0 0 0 0
 0 0 0 0 1
% order of the group unknown