Properties

Label 405720.bv
Number of curves $4$
Conductor $405720$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("bv1")
 
E.isogeny_class()
 

Elliptic curves in class 405720.bv

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
405720.bv1 405720bv4 \([0, 0, 0, -952637763, -11317220915938]\) \(544328872410114151778/14166950625\) \(2488410934281780480000\) \([2]\) \(75497472\) \(3.6208\)  
405720.bv2 405720bv3 \([0, 0, 0, -92476083, 39725788718]\) \(497927680189263938/284271240234375\) \(49931963569687500000000000\) \([2]\) \(75497472\) \(3.6208\) \(\Gamma_0(N)\)-optimal*
405720.bv3 405720bv2 \([0, 0, 0, -59612763, -176376830938]\) \(266763091319403556/1355769140625\) \(119069757606819600000000\) \([2, 2]\) \(37748736\) \(3.2743\) \(\Gamma_0(N)\)-optimal*
405720.bv4 405720bv1 \([0, 0, 0, -1744743, -5677745542]\) \(-26752376766544/618796614375\) \(-13586377037536406880000\) \([2]\) \(18874368\) \(2.9277\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 0 curves highlighted, and conditionally curve 405720.bv1.

Rank

sage: E.rank()
 

The elliptic curves in class 405720.bv have rank \(0\).

Complex multiplication

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

Modular form 405720.2.a.bv

sage: E.q_eigenform(10)
 
\(q - q^{5} + 2 q^{13} - 6 q^{17} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.