Elliptic curve isogeny class with Cremona label 481650x (LMFDB label 481650.x)

• Label: 481650x
• Number of curves: $4$
• Conductor: $481650$
• CM: no
• Rank: $0$

Elliptic curves in class 481650x

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
481650.x3	481650x1	\([1, 1, 0, -21203250, -37588393500]\)	\(13978188933715369/3853200\)	\(290604069356250000\)	\([2]\)	\(24772608\)	\(2.7205\)	\(\Gamma_0(N)\)-optimal^*
481650.x2	481650x2	\([1, 1, 0, -21287750, -37273800000]\)	\(14145975058083049/231986722500\)	\(17496181250679726562500\)	\([2, 2]\)	\(49545216\)	\(3.0671\)	\(\Gamma_0(N)\)-optimal^*
481650.x1	481650x3	\([1, 1, 0, -42708500, 50272805250]\)	\(114231674639984329/51619333593750\)	\(3893072874442419433593750\)	\([2]\)	\(99090432\)	\(3.4136\)	\(\Gamma_0(N)\)-optimal^*
481650.x4	481650x4	\([1, 1, 0, -1219000, -104684731250]\)	\(-2656166199049/62770478980950\)	\(-4734079888743129508593750\)	\([2]\)	\(99090432\)	\(3.4136\)

^*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 3 curves highlighted, and conditionally curve 481650x1.

Rank

The elliptic curves in class 481650x have rank \(0\).

Complex multiplication

The elliptic curves in class 481650x do not have complex multiplication.

Modular form 481650.2.a.x

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.

\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with Cremona labels.