Properties

Label 25857r
Number of curves $2$
Conductor $25857$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("r1")
 
E.isogeny_class()
 

Elliptic curves in class 25857r

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
25857.n2 25857r1 \([1, -1, 0, 14418, 680967]\) \(42875/51\) \(-394264682188767\) \([2]\) \(79872\) \(1.4869\) \(\Gamma_0(N)\)-optimal
25857.n1 25857r2 \([1, -1, 0, -84447, 6553548]\) \(8615125/2601\) \(20107498791627117\) \([2]\) \(159744\) \(1.8335\)  

Rank

sage: E.rank()
 

The elliptic curves in class 25857r have rank \(1\).

Complex multiplication

The elliptic curves in class 25857r do not have complex multiplication.

Modular form 25857.2.a.r

sage: E.q_eigenform(10)
 
\(q + q^{2} - q^{4} - 4 q^{7} - 3 q^{8} - 2 q^{11} - 4 q^{14} - q^{16} - q^{17} - 2 q^{19} + O(q^{20})\) 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 Cremona 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 Cremona labels.