Properties

Label 40310u
Number of curves $2$
Conductor $40310$
CM no
Rank $0$
Graph

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Show commands: SageMath
Copy content sage:E = EllipticCurve([1, -1, 1, 207, 2657]) E.isogeny_class()
 

Rank

Copy content sage:E.rank()
 

The elliptic curves in class 40310u have rank \(0\).

L-function data

 
Bad L-factors:
Prime L-Factor
\(2\)\(1 - T\)
\(5\)\(1 - T\)
\(29\)\(1 + T\)
\(139\)\(1 + T\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(3\) \( 1 + T + 3 T^{2}\) 1.3.b
\(7\) \( 1 - 3 T + 7 T^{2}\) 1.7.ad
\(11\) \( 1 - 2 T + 11 T^{2}\) 1.11.ac
\(13\) \( 1 + T + 13 T^{2}\) 1.13.b
\(17\) \( 1 - 3 T + 17 T^{2}\) 1.17.ad
\(19\) \( 1 - 5 T + 19 T^{2}\) 1.19.af
\(23\) \( 1 + 6 T + 23 T^{2}\) 1.23.g
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 40310u do not have complex multiplication.

Modular form 40310.2.a.u

Copy content sage:E.q_eigenform(10)
 
\(q + q^{2} + q^{4} - q^{5} + 4 q^{7} + q^{8} - 3 q^{9} - q^{10} + 6 q^{13} + 4 q^{14} + q^{16} - 6 q^{17} - 3 q^{18} + 2 q^{19} + O(q^{20})\) 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 Cremona 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 Cremona labels.

Elliptic curves in class 40310u

Copy content sage:E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
40310.w2 40310u1 \([1, -1, 1, 207, 2657]\) \(985371912351/3740768000\) \(-3740768000\) \([2]\) \(27648\) \(0.51968\) \(\Gamma_0(N)\)-optimal
40310.w1 40310u2 \([1, -1, 1, -2113, 33281]\) \(1042868381560929/140077250000\) \(140077250000\) \([2]\) \(55296\) \(0.86625\)