Group	S28 
n	15

     	Irred     	Operation
   1 	 A          	 E         
   2 	 B          	 S28       
   3 	 E1         	 C14       
   4 	 E2         	 S28^3     
   5 	 E3         	 C7        
   6 	 E4         	 S28^5     
   7 	 E5         	 C14^3     
   8 	 E6         	 S4        
   9 	 E7         	 C7^2      
  10 	 E8         	 S28^9     
  11 	 E9         	 C14^5     
  12 	 E10        	 S28^11    
  13 	 E11        	 C7^3      
  14 	 E12        	 S28^13    
  15 	 E13        	 C2        

Table
         1         2         3         4         5         6         7         8         9         10        11        12        13        14        15     
   1   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000   1.00000  
   2   1.00000  -1.00000   1.00000  -1.00000   1.00000  -1.00000   1.00000  -1.00000   1.00000  -1.00000   1.00000  -1.00000   1.00000  -1.00000   1.00000  
   3   2.00000   1.94986   1.80194   1.56366   1.24698   0.86777   0.44504   0.00000  -0.44504  -0.86777  -1.24698  -1.56366  -1.80194  -1.94986  -2.00000  
   4   2.00000   1.80194   1.24698   0.44504  -0.44504  -1.24698  -1.80194  -2.00000  -1.80194  -1.24698  -0.44504   0.44504   1.24698   1.80194   2.00000  
   5   2.00000   1.56366   0.44504  -0.86777  -1.80194  -1.94986  -1.24698   0.00000   1.24698   1.94986   1.80194   0.86777  -0.44504  -1.56366  -2.00000  
   6   2.00000   1.24698  -0.44504  -1.80194  -1.80194  -0.44504   1.24698   2.00000   1.24698  -0.44504  -1.80194  -1.80194  -0.44504   1.24698   2.00000  
   7   2.00000   0.86777  -1.24698  -1.94986  -0.44504   1.56366   1.80194   0.00000  -1.80194  -1.56366   0.44504   1.94986   1.24698  -0.86777  -2.00000  
   8   2.00000   0.44504  -1.80194  -1.24698   1.24698   1.80194  -0.44504  -2.00000  -0.44504   1.80194   1.24698  -1.24698  -1.80194   0.44504   2.00000  
   9   2.00000   0.00000  -2.00000   0.00000   2.00000   0.00000  -2.00000   0.00000   2.00000   0.00000  -2.00000   0.00000   2.00000   0.00000  -2.00000  
  10   2.00000  -0.44504  -1.80194   1.24698   1.24698  -1.80194  -0.44504   2.00000  -0.44504  -1.80194   1.24698   1.24698  -1.80194  -0.44504   2.00000  
  11   2.00000  -0.86777  -1.24698   1.94986  -0.44504  -1.56366   1.80194   0.00000  -1.80194   1.56366   0.44504  -1.94986   1.24698   0.86777  -2.00000  
  12   2.00000  -1.24698  -0.44504   1.80194  -1.80194   0.44504   1.24698  -2.00000   1.24698   0.44504  -1.80194   1.80194  -0.44504  -1.24698   2.00000  
  13   2.00000  -1.56366   0.44504   0.86777  -1.80194   1.94986  -1.24698   0.00000   1.24698  -1.94986   1.80194  -0.86777  -0.44504   1.56366  -2.00000  
  14   2.00000  -1.80194   1.24698  -0.44504  -0.44504   1.24698  -1.80194   2.00000  -1.80194   1.24698  -0.44504  -0.44504   1.24698  -1.80194   2.00000  
  15   2.00000  -1.94986   1.80194  -1.56366   1.24698  -0.86777   0.44504   0.00000  -0.44504   0.86777  -1.24698   1.56366  -1.80194   1.94986  -2.00000