W-representations carried by the wcells in U(7) x GL(7,R) block of GL7

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