Elliptic curve isogeny class with LMFDB label 4005.a (Cremona label 4005d)

• Label: 4005.a
• Number of curves: $2$
• Conductor: $4005$
• CM: no
• Rank: $0$

Elliptic curves in class 4005.a

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
4005.a1	4005d1	\([1, -1, 1, -1337, 19136]\)	\(362314607689/180225\)	\(131384025\)	\([2]\)	\(2560\)	\(0.51078\)	\(\Gamma_0(N)\)-optimal
4005.a2	4005d2	\([1, -1, 1, -1112, 25616]\)	\(-208422380089/259848405\)	\(-189429487245\)	\([2]\)	\(5120\)	\(0.85736\)

Rank

The elliptic curves in class 4005.a have rank \(0\).

Complex multiplication

The elliptic curves in class 4005.a do not have complex multiplication.

Modular form 4005.2.a.a

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.

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

Isogeny graph

The vertices are labelled with LMFDB labels.