Second supplementary law for quadratic reciprocity
= Second supplementary law for quadratic reciprocity
= Quadratic character of two
{synonym}
For every odd prime,
$$
\left(\frac2p\right)=(-1)^{(p^2-1)/8}.
$$
= Second supplementary law for quadratic reciprocity
= Quadratic character of two
{synonym}
For every odd prime,
$$
\left(\frac2p\right)=(-1)^{(p^2-1)/8}.
$$