Simpler congruences for Jacobi sum $J(1, 1)_{49}$ of order 49
In this paper we determine the congruence of Jacobi sums $J(1, 1)_{49}$ of order 49 over a field $\mathbb{F}_p$. We also show that simpler congruences hold for $J(1, 1)_{49}$ in the case of artiad and hyperartiad primes.
math.NT↗