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Properties

Label 435600.n
Number of curves $2$
Conductor $435600$
CM \(\Q(\sqrt{-3}) \)
Rank $1$
Graph

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Show commands: Magma / Pari/GP / SageMath
Copy content comment:Define the isogeny class
 
Copy content sage:E = EllipticCurve([0, 0, 0, 0, -2874960]) E.isogeny_class()
 
Copy content magma:E := EllipticCurve([0, 0, 0, 0, -2874960]); IsogenousCurves(E);
 
Copy content gp:E = ellinit([0, 0, 0, 0, -2874960]) ellisomat(E)
 

Rank

Copy content comment:Mordell-Weil rank
 
Copy content sage:E.rank()
 
Copy content gp:[lower,upper] = ellrank(E)
 
Copy content magma:Rank(E);
 

The elliptic curves in class 435600.n have rank \(1\).

Complex multiplication

Each elliptic curve in class 435600.n has complex multiplication by an order in the imaginary quadratic field \(\Q(\sqrt{-3}) \).

Modular form 435600.2.a.n

Copy content comment:q-expansion of modular form
 
Copy content sage:E.q_eigenform(20)
 
Copy content gp:Ser(ellan(E,20),q)*q
 
Copy content magma:ModularForm(E);
 
\(q - 5 q^{7} + 5 q^{13} - q^{19} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

Copy content comment:Isogeny matrix
 
Copy content sage:E.isogeny_class().matrix()
 
Copy content gp:ellisomat(E)
 

The \((i,j)\)-th 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.

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

Copy content comment:Isogeny graph
 
Copy content sage:E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with LMFDB labels, and the \( \Gamma_0(N) \)-optimal curve is highlighted in blue.

Elliptic curves in class 435600.n

Copy content comment:List of curves in the isogeny class
 
Copy content sage:E.isogeny_class().curves
 
Copy content magma:IsogenousCurves(E);
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality CM discriminant
435600.n1 435600n2 \([0, 0, 0, 0, -2874960]\) \(0\) \(-3570650640691200\) \([]\) \(2488320\) \(1.6632\)   \(-3\)
435600.n2 435600n1 \([0, 0, 0, 0, 106480]\) \(0\) \(-4898011852800\) \([]\) \(829440\) \(1.1139\) \(\Gamma_0(N)\)-optimal* \(-3\)
*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 435600.n1.