  
  
  [1XReferences[101X
  
  [[20XDLN15[120X]  [16XDong,  C.,  Lin, X. and Ng, S.-H.[116X, [17XCongruence property in conformal
  field theory[117X, [18XAlgebra Number Theory[118X, [19X9[119X, 9 (2015), 2121--2166.
  
  [[20XNob76[120X]  [16XNobs,  A.[116X,  [17XDie  irreduziblen  Darstellungen der Gruppen SL_2(Z_p),
  insbesondere SL_2(Z_2). I[117X, [18XComment. Math. Helv.[118X, [19X51[119X, 4 (1976), 465--489.
  
  [[20XNW76[120X]  [16XNobs, A. and Wolfart, J.[116X, [17XDie irreduziblen Darstellungen der Gruppen
  SL_2(Z_p),  insbesondere  SL_2(Z_p). II[117X, [18XComment. Math. Helv.[118X, [19X51[119X, 4 (1976),
  491--526.
  
  [[20XNWW21[120X]  [16XNg,  S.-H.,  Wang,  Y.  and Wilson, S.[116X, [17XSymmetrization of congruent
  representations of SL(2,Z)[117X, [18XIn preparation[118X (2021).
  
  
  
  [32X
