Elliptic curve isogeny class with LMFDB label 439824.cg (Cremona label 439824cg)

• Label: 439824.cg
• Number of curves: $4$
• Conductor: $439824$
• CM: no
• Rank: $0$

Elliptic curves in class 439824.cg

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
439824.cg1	439824cg3	\([0, -1, 0, -1243664312, 16881597321072]\)	\(441453577446719855661097/4354701912\)	\(2098488628203061248\)	\([2]\)	\(99090432\)	\(3.5474\)	\(\Gamma_0(N)\)-optimal^*
439824.cg2	439824cg2	\([0, -1, 0, -77730872, 263781187440]\)	\(107784459654566688937/10704361149504\)	\(5158327848460272009216\)	\([2, 2]\)	\(49545216\)	\(3.2009\)	\(\Gamma_0(N)\)-optimal^*
439824.cg3	439824cg4	\([0, -1, 0, -71866552, 305253658480]\)	\(-85183593440646799657/34223681512621656\)	\(-16492060288116429646823424\)	\([2]\)	\(99090432\)	\(3.5474\)
439824.cg4	439824cg1	\([0, -1, 0, -5226552, 3461676912]\)	\(32765849647039657/8229948198912\)	\(3965932239477956149248\)	\([2]\)	\(24772608\)	\(2.8543\)	\(\Gamma_0(N)\)-optimal^*

^*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 3 curves highlighted, and conditionally curve 439824.cg1.

Rank

The elliptic curves in class 439824.cg have rank \(0\).

Complex multiplication

The elliptic curves in class 439824.cg do not have complex multiplication.

Modular form 439824.2.a.cg

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.

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

Isogeny graph

The vertices are labelled with LMFDB labels.