Properties

Label 486720qh
Number of curves $4$
Conductor $486720$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("qh1")
 
E.isogeny_class()
 

Elliptic curves in class 486720qh

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
486720.qh3 486720qh1 \([0, 0, 0, -2695212, 1721850416]\) \(-63378025803/812500\) \(-27757935968256000000\) \([2]\) \(18579456\) \(2.5401\) \(\Gamma_0(N)\)-optimal*
486720.qh2 486720qh2 \([0, 0, 0, -43255212, 109497882416]\) \(261984288445803/42250\) \(1443412670349312000\) \([2]\) \(37158912\) \(2.8867\) \(\Gamma_0(N)\)-optimal*
486720.qh4 486720qh3 \([0, 0, 0, 9472788, 8759280816]\) \(3774555693/3515200\) \(-87547020012162750873600\) \([2]\) \(55738368\) \(3.0894\)  
486720.qh1 486720qh4 \([0, 0, 0, -48933612, 78917048496]\) \(520300455507/193072360\) \(4808520074168039091732480\) \([2]\) \(111476736\) \(3.4360\)  
*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 486720qh1.

Rank

sage: E.rank()
 

The elliptic curves in class 486720qh have rank \(0\).

Complex multiplication

The elliptic curves in class 486720qh do not have complex multiplication.

Modular form 486720.2.a.qh

sage: E.q_eigenform(10)
 
\(q + q^{5} + 4 q^{7} + 6 q^{17} - 4 q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.