\def\bold{\bf} \def\F{\bold F} % use for finite fields \def\Q{\bold Q} \def\C{\bold C} \def\R{\bold R} \def\Z{\bold Z} \def\divides{\,\vert\,} \def\notdivides{\,\not\vert\,} \def\SwD{Swinnerton-Dyer} \def\BSwD{Birch and \SwD} \def\heightpair#1#2{\langle #1, #2 \rangle} \def\Ls{L(E,s)} \def\frac#1#2{{#1\over #2}} \def\Sha{\hbox{$\amalg\kern-.39em\amalg$}} % \magnification 1200 \nopagenumbers \vskip1in \centerline{\bf BASIC DEFINITIONS} \bigskip \noindent Elliptic curve $E$: $$ y^2+a_1xy+a_3y=x^3+a_2x^2+a_4x+a_6 $$ or $$ Y^2=X^3-{c_4\over 48}X - {c_6\over 864} $$ with $$ c_4^3-c_6^2=1728\Delta $$ We have $$ E({\bf Q}) = F\oplus {\bf Z}^r $$ where $F$ is finite, and $r$ is the {\bf rank\/} of $E$. \noindent Define the {\bf Hasse-Weil} $L$-series: $$ \Ls = \prod_{p\divides \Delta}\left(1-a_pp^{-s}\right)^{-1} \prod_{p\notdivides \Delta}\left(1-a_pp^{-s}+p^{1-2s}\right)^{-1} $$ where $a_p=p+1-|E(\F_p)|$. %\bigskip \vskip1in \centerline{\bf ALL OUR CALCULATIONS ASSUME} \smallskip \centerline{\bf THE STANDARD CONJECTURES} \medskip \item {1.} Taniyama-Weil: $L(E,s)$ comes from a cusp form $\sum a_n q^n$ of weight 2 and conductor $N$, and satisfies a functional equation with sign $w$. \item {2.} Birch-Swinnerton-Dyer: leading term at $s=1$: $$ \lim_{s\to1}\frac{\Ls}{(s-1)^r} = \Omega \frac{|\Sha|\det\left(\heightpair{P_i}{P_j}\right)} {|F|^2} \prod_{p\divides\Delta}c_p. $$ \item {3.} $|\Delta|=p$, $p$ prime, $\Rightarrow N=\Delta$, and $w=\left(\frac{-c_6}{N}\right)$. \bye