#g2 % point group to the space group of C
5	/2		% generator
 -1  1 0  0 -1
 -3  1 2  0 -1
  3  1 0  0  1
  3 -1 2  0  1
  0  0 2 -2  2
5	/2		% generator
 -2  0 0 0 -1
 -4  0 2 0 -1
  2 -2 0 2 -1
  2 -2 2 0  1
  2  0 2 0  0
% order of the group unknown
