Properties

Label 284400.dj
Number of curves $4$
Conductor $284400$
CM no
Rank $2$
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, -6084075, 5776020250]) E.isogeny_class()
 
Copy content magma:E := EllipticCurve([0, 0, 0, -6084075, 5776020250]); IsogenousCurves(E);
 
Copy content gp:E = ellinit([0, 0, 0, -6084075, 5776020250]) 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 284400.dj have rank \(2\).

L-function data

Bad L-factors:
Prime L-Factor
\(2\)\(1\)
\(3\)\(1\)
\(5\)\(1\)
\(79\)\(1 - T\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(7\) \( 1 + 7 T^{2}\) 1.7.a
\(11\) \( 1 + 11 T^{2}\) 1.11.a
\(13\) \( 1 + 6 T + 13 T^{2}\) 1.13.g
\(17\) \( 1 + 6 T + 17 T^{2}\) 1.17.g
\(19\) \( 1 + 4 T + 19 T^{2}\) 1.19.e
\(23\) \( 1 + 23 T^{2}\) 1.23.a
\(29\) \( 1 - 6 T + 29 T^{2}\) 1.29.ag
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 284400.dj do not have complex multiplication.

Modular form 284400.2.a.dj

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);
 
\(q - 6 q^{13} - 6 q^{17} - 4 q^{19} + O(q^{20})\) 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.

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

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 284400.dj

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
284400.dj1 284400dj3 \([0, 0, 0, -6084075, 5776020250]\) \(533826202534561/15997500\) \(746379360000000000\) \([2]\) \(5898240\) \(2.5281\)  
284400.dj2 284400dj2 \([0, 0, 0, -396075, 82332250]\) \(147281603041/22467600\) \(1048248345600000000\) \([2, 2]\) \(2949120\) \(2.1816\)  
284400.dj3 284400dj1 \([0, 0, 0, -108075, -12419750]\) \(2992209121/303360\) \(14153564160000000\) \([2]\) \(1474560\) \(1.8350\) \(\Gamma_0(N)\)-optimal
284400.dj4 284400dj4 \([0, 0, 0, 683925, 452772250]\) \(758301032159/2337004860\) \(-109035298748160000000\) \([4]\) \(5898240\) \(2.5281\)