3;1a

#g3 f2 z1 % almost decomposable bravais-group
4	% generator
 1 0 0 0
 0 0 1 0
 0 1 0 0
 0 0 0 1
4	% generator
  0 0 1 0
 -1 0 0 0
  0 1 0 0
  0 0 0 1
4	% generator
 1 0 0  0
 0 1 0  0
 0 0 1  0
 0 0 0 -1
4	% invariant form
 4 0 0 0
 0 4 0 0
 0 0 4 0
 0 0 0 0
4	% invariant form
 0 0 0 0
 0 0 0 0
 0 0 0 0
 0 0 0 1
4x4  %zentr
1  0  0  0
1  1  0  0
0  1  1  1
0  0  1 -1
2^5  * 3^1   = 96 % order of the group
dim4/3;1b