Elliptic curve isogeny class with Cremona label 86640ct (LMFDB label 86640.y)

• Label: 86640ct
• Number of curves: $4$
• Conductor: $86640$
• CM: no
• Rank: $0$

Elliptic curves in class 86640ct

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
86640.y4	86640ct1	\([0, -1, 0, 129840, -81446400]\)	\(1256216039/15582375\)	\(-3002722549544448000\)	\([2]\)	\(1658880\)	\(2.2264\)	\(\Gamma_0(N)\)-optimal
86640.y3	86640ct2	\([0, -1, 0, -2209440, -1179972288]\)	\(6189976379881/456890625\)	\(88042790804544000000\)	\([2, 2]\)	\(3317760\)	\(2.5729\)
86640.y2	86640ct3	\([0, -1, 0, -7147920, 5959094400]\)	\(209595169258201/41748046875\)	\(8044845651000000000000\)	\([4]\)	\(6635520\)	\(2.9195\)
86640.y1	86640ct4	\([0, -1, 0, -34699440, -78662124288]\)	\(23977812996389881/146611125\)	\(28251953315947008000\)	\([2]\)	\(6635520\)	\(2.9195\)

Rank

The elliptic curves in class 86640ct have rank \(0\).

Complex multiplication

The elliptic curves in class 86640ct do not have complex multiplication.

Modular form 86640.2.a.ct

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.