Z9Z2
Z9Z2 is a notation most often encountered in mathematics, where it can be read as the direct product Z9 × Z2. In this context, Z9 denotes the cyclic group of integers modulo 9, and Z2 denotes the cyclic group of integers modulo 2, with addition performed modulo the respective base.
As a direct product, Z9 × Z2 is a finite abelian group of order 18. Because the
Outside of mathematics, Z9Z2 or the string “Z9Z2” can appear as a model number, part code, or
Summary: in a mathematical setting, Z9Z2 commonly represents the direct product Z9 × Z2, which is isomorphic