Elliptic curve isogeny class with Cremona label 20286j (LMFDB label 20286.bf)

• Label: 20286j
• Number of curves: $2$
• Conductor: $20286$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 20286j have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 + T\)
\(3\)	\(1\)
\(7\)	\(1\)
\(23\)	\(1 + T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(5\)	\( 1 + 2 T + 5 T^{2}\)	1.5.c
\(11\)	\( 1 - 3 T + 11 T^{2}\)	1.11.ad
\(13\)	\( 1 + 2 T + 13 T^{2}\)	1.13.c
\(17\)	\( 1 - T + 17 T^{2}\)	1.17.ab
\(19\)	\( 1 - 8 T + 19 T^{2}\)	1.19.ai
\(29\)	\( 1 - T + 29 T^{2}\)	1.29.ab
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 20286j do not have complex multiplication.

Modular form 20286.2.a.j

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.

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with Cremona labels.

Elliptic curves in class 20286j

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
20286.bf1	20286j1	\([1, -1, 0, -547143, -155638883]\)	\(-5702623460245179/252448\)	\(-801906878304\)	\([]\)	\(253440\)	\(1.7663\)	\(\Gamma_0(N)\)-optimal
20286.bf2	20286j2	\([1, -1, 0, -500838, -183100492]\)	\(-5999796014211/2790817792\)	\(-6462655643815870464\)	\([]\)	\(760320\)	\(2.3156\)