How would you write the addition and multiplication table for a field with 9 elements?
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Originally Posted by BenWong How would you write the addition and multiplication table for a field with 9 elements? Well, it is finite and of power of prime order, $\displaystyle 9=3^2$ thus only one such fields exists up to isomorphism. That isomorphism is with $\displaystyle \mathbb{Z}_{9}$, the integers additive and multication modulo 9.
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