Analysis of Cubic Residue over Z
13
Cubic residue (CR)
x such that x
3
= CR mod 13
Occurance
0
0
1
1
1, 3, 9
3
5
7, 8, 11
3
8
2, 5, 6
3
12
4, 10, 12
3
Occurance
Cubic residues
Total CRs with same occurance
1
0
1
3
1, 5, 8, 12
4
Total Cubic Residues = 5