If p is a prime congruent to 3 modulo 4, it is wellknown that the class number h(– p) of the imaginary quadratic field Q(√–p) odd. In this paper we determine h(– p) modulo 4.

Additional Metadata
Journal Pacific Journal of Mathematics
Williams, K.S. (1979). The class number of Q(√–p)modulo 4, for p ≡ 3 (MOD 4) a prime. Pacific Journal of Mathematics, 83(2), 565–570.