Elliptic curve isogeny class with LMFDB label 67620.bd (Cremona label 67620ba)

• Label: 67620.bd
• Number of curves: $2$
• Conductor: $67620$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 67620.bd have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1\)
\(3\)	\(1 - T\)
\(5\)	\(1 + T\)
\(7\)	\(1\)
\(23\)	\(1 + T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(11\)	\( 1 + 11 T^{2}\)	1.11.a
\(13\)	\( 1 + 2 T + 13 T^{2}\)	1.13.c
\(17\)	\( 1 - 2 T + 17 T^{2}\)	1.17.ac
\(19\)	\( 1 + 4 T + 19 T^{2}\)	1.19.e
\(29\)	\( 1 + 6 T + 29 T^{2}\)	1.29.g
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 67620.bd do not have complex multiplication.

Modular form 67620.2.a.bd

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 LMFDB numbering.

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

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 67620.bd

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
67620.bd1	67620ba1	\([0, 1, 0, -10061, 156624]\)	\(174456832/83835\)	\(54128714285520\)	\([2]\)	\(161280\)	\(1.3289\)	\(\Gamma_0(N)\)-optimal
67620.bd2	67620ba2	\([0, 1, 0, 36244, 1230900]\)	\(509680208/357075\)	\(-3688771640198400\)	\([2]\)	\(322560\)	\(1.6755\)