Properties

Label 317900.bd
Number of curves $2$
Conductor $317900$
CM no
Rank $0$
Graph

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Show commands: SageMath
Copy content sage:E = EllipticCurve("bd1") E.isogeny_class()
 

Rank

Copy content sage:E.rank()
 

The elliptic curves in class 317900.bd have rank \(0\).

L-function data

 
Bad L-factors:
Prime L-Factor
\(2\)\(1\)
\(5\)\(1\)
\(11\)\(1 + T\)
\(17\)\(1\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(3\) \( 1 - 2 T + 3 T^{2}\) 1.3.ac
\(7\) \( 1 + 7 T^{2}\) 1.7.a
\(13\) \( 1 + 13 T^{2}\) 1.13.a
\(19\) \( 1 + 4 T + 19 T^{2}\) 1.19.e
\(23\) \( 1 - 6 T + 23 T^{2}\) 1.23.ag
\(29\) \( 1 + 2 T + 29 T^{2}\) 1.29.c
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 317900.bd do not have complex multiplication.

Modular form 317900.2.a.bd

Copy content sage:E.q_eigenform(10)
 
\(q + 2 q^{3} + q^{9} - q^{11} - 4 q^{19} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

Copy content 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.

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.

Elliptic curves in class 317900.bd

Copy content sage:E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
317900.bd1 317900bd2 \([0, -1, 0, -435908, 110642312]\) \(94875856/275\) \(26551325900000000\) \([2]\) \(2838528\) \(2.0223\)  
317900.bd2 317900bd1 \([0, -1, 0, -38533, 172062]\) \(1048576/605\) \(3650807311250000\) \([2]\) \(1419264\) \(1.6757\) \(\Gamma_0(N)\)-optimal