Properties

Label 3870.u
Number of curves $2$
Conductor $3870$
CM no
Rank $1$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("u1")
 
E.isogeny_class()
 

Elliptic curves in class 3870.u

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
3870.u1 3870o2 \([1, -1, 1, -1757, 19981]\) \(30459021867/9245000\) \(181969335000\) \([2]\) \(4608\) \(0.86561\)  
3870.u2 3870o1 \([1, -1, 1, -677, -6371]\) \(1740992427/68800\) \(1354190400\) \([2]\) \(2304\) \(0.51904\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 3870.u have rank \(1\).

Complex multiplication

The elliptic curves in class 3870.u do not have complex multiplication.

Modular form 3870.2.a.u

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{4} + q^{5} - 2 q^{7} + q^{8} + q^{10} - 2 q^{11} - 2 q^{13} - 2 q^{14} + q^{16} - 4 q^{17} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

sage: E.isogeny_class().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

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with LMFDB labels.