2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54829We study a vertex operator algebra containing a tensor product of Ising models. It is a direct sum of code vertex operator algebra and its irreducible modules. Therefore, we classify all irreducible modules of code vertex operator algebras and show a new construction of vertex operator algebras.47 pages, LatexHigh Energy Physics - Theorytext