code: public List<Axis> getSymmetryAxes(){
  
  		List<Axis> symmAxes = new ArrayList<>();
  
  		Matrix4d prior = new Matrix4d();
  		prior.setIdentity();
  
  		getSymmetryAxes(symmAxes,prior,0,0);
  
  
  		return symmAxes;
  	}
docs: Return all symmetry axes of of the structure: the set of axes that
  describe all parts of the structure. This combines the elementary
  axes to generate all possible axes. The axes are returned in the repeat
  degrees.
  @return axes all symmetry axes of the structure.