Elliptic curve isogeny class with Cremona label 489762dm (LMFDB label 489762.dm)

• Label: 489762dm
• Number of curves: $2$
• Conductor: $489762$
• CM: no
• Rank: $1$

Elliptic curves in class 489762dm

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
489762.dm2	489762dm1	\([1, -1, 1, -6116, -167709]\)	\(7189057/644\)	\(2266070982084\)	\([2]\)	\(1244160\)	\(1.1105\)	\(\Gamma_0(N)\)-optimal^*
489762.dm1	489762dm2	\([1, -1, 1, -21326, 1012587]\)	\(304821217/51842\)	\(182418714057762\)	\([2]\)	\(2488320\)	\(1.4571\)	\(\Gamma_0(N)\)-optimal^*

^*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 2 curves highlighted, and conditionally curve 489762dm1.

Rank

The elliptic curves in class 489762dm have rank \(1\).

Complex multiplication

The elliptic curves in class 489762dm do not have complex multiplication.

Modular form 489762.2.a.dm

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.