  Let B be a reductive Lie subalgebra of a semi-simple Lie algebra of the same
rank both over the complex numbers. To each finite dimensional irreducible
representation $V_\lambda$ of F we assign a multiplet of irreducible
representations of B with m elements in each multiplet, where m is the index of
the Weyl group of B in the Weyl group of F. We obtain a generalization of the
Weyl character formula; our formula gives the character of $V_\lambda$ as a
quotient whose numerator is an alternating sum of the characters in the
multiplet associated to $V_\lambda$ and whose denominator is an alternating sum
of the characters of the multiplet associated to the trivial representation of
F.
