  There are several approaches to define an eigenvector decomposition of the
finite Fourier Transform, which is in some sense unique, and at best resembles
the eigenstates of the quantum harmonic oscillator. A solution given by Balian
and Itzykson in 1986 for prime dimensions d = 3 (mod 4) is revisited. It is
shown, that by applying the Weyl-Heisenberg matrices to this eigenvector basis,
a projective 2-design is generated.
