Properties

Label 41280.u
Number of curves $2$
Conductor $41280$
CM no
Rank $1$
Graph

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

Elliptic curves in class 41280.u

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
41280.u1 41280g2 \([0, -1, 0, -521, 1545]\) \(3825694144/2015625\) \(8256000000\) \([2]\) \(27648\) \(0.59446\)  
41280.u2 41280g1 \([0, -1, 0, 124, 126]\) \(3268147904/2080125\) \(-133128000\) \([2]\) \(13824\) \(0.24788\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 41280.u have rank \(1\).

Complex multiplication

The elliptic curves in class 41280.u do not have complex multiplication.

Modular form 41280.2.a.u

sage: E.q_eigenform(10)
 
\(q - q^{3} - q^{5} + 4 q^{7} + q^{9} - 2 q^{11} - 6 q^{13} + q^{15} + 2 q^{19} + O(q^{20})\) 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 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.