Z 2 i z 3i July 8, 2019 16 32 64 128 Z 2 3i z 5 Z 2 3i z 1 Z 2 1 i z 6 3i 0 Z 2 3 i z 4 3i 0 Z 2 3i z 1 9i Z^3 = i Z^2 = i