Properties

Label 485520.ho
Number of curves $4$
Conductor $485520$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("ho1")
 
E.isogeny_class()
 

Elliptic curves in class 485520.ho

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
485520.ho1 485520ho4 \([0, 1, 0, -3902175200, -93732701601420]\) \(66464620505913166201729/74880071980801920\) \(7403204215445803087185838080\) \([2]\) \(495452160\) \(4.2615\)  
485520.ho2 485520ho3 \([0, 1, 0, -2771699680, 55688867373428]\) \(23818189767728437646209/232359312482640000\) \(22972780289401996501647360000\) \([4]\) \(495452160\) \(4.2615\) \(\Gamma_0(N)\)-optimal*
485520.ho3 485520ho2 \([0, 1, 0, -306552800, -653543657100]\) \(32224493437735955329/16782725759385600\) \(1659265847399413012915814400\) \([2, 2]\) \(247726080\) \(3.9149\) \(\Gamma_0(N)\)-optimal*
485520.ho4 485520ho1 \([0, 1, 0, 72245280, -79437287052]\) \(421792317902132351/271682182840320\) \(-26860533491215728566599680\) \([2]\) \(123863040\) \(3.5683\) \(\Gamma_0(N)\)-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 485520.ho1.

Rank

sage: E.rank()
 

The elliptic curves in class 485520.ho have rank \(1\).

Complex multiplication

The elliptic curves in class 485520.ho do not have complex multiplication.

Modular form 485520.2.a.ho

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