j1   m1   j2   m2   j   m   analytical value:       |    output of CLEBSCHG
                                                                          
  0    0    1    0   1   0           1               |    1.
  1    0    1    0   1   0           0               |    0.
  2    0    1    0   1   0       -sqrt(2/5)          |   -0.632455532
  1    1    1    0   1   1        1/sqrt(2)          |    0.707106781
  2    1    1    0   1   1       -sqrt(3/10)         |   -0.547722558
  2    1    1    0   2   1        1/sqrt(6)          |    0.40824829
  3    1    1    1   1   2      -2*sqrt(2/21)        |   -0.6172134