A note on generic Clifford algebras of binary cubic forms

We study the representation theoretic results of the binary cubic generic Clifford algebra $mathcal C$, which is an Artin-Schelter regular algebra of global dimension five. In particular, we show that $mathcal C$ is a PI algebra of PI degree three and compute its point variety and discriminant ideals. As a consequence, we give a necessary and sufficient condition on a binary cubic form $f$ for the associated Clifford algebra $mathcal C_f$ to be an Azumaya algebra.