Elliptic curve isogeny class with Cremona label 32487b (LMFDB label 32487.c)

• Label: 32487b
• Number of curves: $2$
• Conductor: $32487$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 32487b have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(3\)	\(1 + T\)
\(7\)	\(1\)
\(13\)	\(1 - T\)
\(17\)	\(1 + T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(2\)	\( 1 + T + 2 T^{2}\)	1.2.b
\(5\)	\( 1 + 5 T^{2}\)	1.5.a
\(11\)	\( 1 + 2 T + 11 T^{2}\)	1.11.c
\(19\)	\( 1 + 19 T^{2}\)	1.19.a
\(23\)	\( 1 + 8 T + 23 T^{2}\)	1.23.i
\(29\)	\( 1 + 6 T + 29 T^{2}\)	1.29.g
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 32487b do not have complex multiplication.

Modular form 32487.2.a.b

Isogeny matrix

The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with Cremona labels.

Elliptic curves in class 32487b

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
32487.c1	32487b1	\([1, 1, 1, -22296, -1290024]\)	\(10418796526321/6390657\)	\(751854405393\)	\([2]\)	\(107520\)	\(1.2216\)	\(\Gamma_0(N)\)-optimal
32487.c2	32487b2	\([1, 1, 1, -18131, -1781494]\)	\(-5602762882081/8312741073\)	\(-977985674497377\)	\([2]\)	\(215040\)	\(1.5682\)