Elliptic curve isogeny class with LMFDB label 1440.j (Cremona label 1440l)

• Label: 1440.j
• Number of curves: $4$
• Conductor: $1440$
• CM: no
• Rank: $0$

Elliptic curves in class 1440.j

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
1440.j1	1440l2	\([0, 0, 0, -732, -7616]\)	\(14526784/15\)	\(44789760\)	\([2]\)	\(512\)	\(0.38604\)
1440.j2	1440l3	\([0, 0, 0, -507, 4354]\)	\(38614472/405\)	\(151165440\)	\([2]\)	\(512\)	\(0.38604\)
1440.j3	1440l1	\([0, 0, 0, -57, -56]\)	\(438976/225\)	\(10497600\)	\([2, 2]\)	\(256\)	\(0.039465\)	\(\Gamma_0(N)\)-optimal
1440.j4	1440l4	\([0, 0, 0, 213, -434]\)	\(2863288/1875\)	\(-699840000\)	\([4]\)	\(512\)	\(0.38604\)

Rank

The elliptic curves in class 1440.j have rank \(0\).

Complex multiplication

The elliptic curves in class 1440.j do not have complex multiplication.

Modular form 1440.2.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 LMFDB numbering.

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

Isogeny graph

The vertices are labelled with LMFDB labels.