Groups and FieldsMediumGroup Actions ShareGroup Actions · Medium problemU(7)={1,…,6}U(7)=\{1,\ldots,6\}U(7)={1,…,6} acts on {0,1,…,6}\{0,1,\ldots,6\}{0,1,…,6} by a⋅x=ax mod 7a\cdot x=ax\bmod7a⋅x=axmod7. Compute 3⋅53\cdot53⋅5.Check Show answer Walk through it step by step Practice more like this Review this concept