W-representations carried by the wcells in U(2,2) x GL(2,H) block of GL4

wcell#0:
  cardinality : 1
  special orbit : [4]
  special representation : [4]
  cell representation : phi[4]

wcell#1:
  cardinality : 2
  special orbit : [2, 2]
  special representation : [2, 2]
  cell representation : phi[2,2]