Restklassenringe (Z)/mod 11/Multiplikationstafel

$\begin{array}{cccccccccccc}*& 0& 1& 2& 3& 4& 5& 6& 7& 8& 9& 10\\ 0& 0& 0& 0& 0& 0& 0& 0& 0& 0& 0& 0\\ 1& 0& 1& 2& 3& 4& 5& 6& 7& 8& 9& 10\\ 2& 0& 2& 4& 6& 8& 10& 1& 3& 5& 7& 9\\ 3& 0& 3& 6& 9& 1& 4& 7& 10& 2& 5& 8\\ 4& 0& 4& 8& 1& 5& 9& 2& 6& 10& 3& 7\\ 5& 0& 5& 10& 4& 9& 3& 8& 2& 7& 1& 6\\ 6& 0& 6& 1& 7& 2& 8& 3& 9& 4& 10& 5\\ 7& 0& 7& 3& 10& 6& 2& 9& 5& 1& 8& 4\\ 8& 0& 8& 5& 2& 10& 7& 4& 1& 9& 6& 3\\ 9& 0& 9& 7& 5& 3& 1& 10& 8& 6& 4& 2\\ 10& 0& 10& 9& 8& 7& 6& 5& 4& 3& 2& 1\end{array}$