Properties

Label 405720eq
Number of curves $2$
Conductor $405720$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("eq1")
 
E.isogeny_class()
 

Elliptic curves in class 405720eq

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
405720.eq2 405720eq1 \([0, 0, 0, -14129787, 21318896774]\) \(-3552342505518244/179863605135\) \(-15796432610820742487040\) \([2]\) \(32440320\) \(3.0201\) \(\Gamma_0(N)\)-optimal*
405720.eq1 405720eq2 \([0, 0, 0, -228755667, 1331695744526]\) \(7536914291382802562/17961229575\) \(3154872297550292121600\) \([2]\) \(64880640\) \(3.3667\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 2 curves highlighted, and conditionally curve 405720eq1.

Rank

sage: E.rank()
 

The elliptic curves in class 405720eq have rank \(1\).

Complex multiplication

The elliptic curves in class 405720eq do not have complex multiplication.

Modular form 405720.2.a.eq

sage: E.q_eigenform(10)
 
\(q + q^{5} - 2 q^{11} + 6 q^{17} - 8 q^{19} + O(q^{20})\) 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.