Properties

Label 98736by
Number of curves $4$
Conductor $98736$
CM no
Rank $1$
Graph

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Show commands: SageMath
Copy content sage:E = EllipticCurve("by1") E.isogeny_class()
 

Rank

Copy content sage:E.rank()
 

The elliptic curves in class 98736by have rank \(1\).

L-function data

 
Bad L-factors:
Prime L-Factor
\(2\)\(1\)
\(3\)\(1 + T\)
\(11\)\(1\)
\(17\)\(1 + T\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(5\) \( 1 - 2 T + 5 T^{2}\) 1.5.ac
\(7\) \( 1 - 2 T + 7 T^{2}\) 1.7.ac
\(13\) \( 1 + 4 T + 13 T^{2}\) 1.13.e
\(19\) \( 1 + 6 T + 19 T^{2}\) 1.19.g
\(23\) \( 1 - 8 T + 23 T^{2}\) 1.23.ai
\(29\) \( 1 - 6 T + 29 T^{2}\) 1.29.ag
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 98736by do not have complex multiplication.

Modular form 98736.2.a.by

Copy content sage:E.q_eigenform(10)
 
\(q - q^{3} + 2 q^{5} + 4 q^{7} + q^{9} + 2 q^{13} - 2 q^{15} - q^{17} - 4 q^{19} + O(q^{20})\) 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 Cremona 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 sage:E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels.

Elliptic curves in class 98736by

Copy content sage:E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
98736.ca4 98736by1 \([0, -1, 0, -11319832, -11459927312]\) \(22106889268753393/4969545596928\) \(36060582573012437434368\) \([2]\) \(7741440\) \(3.0412\) \(\Gamma_0(N)\)-optimal
98736.ca2 98736by2 \([0, -1, 0, -169916952, -852405296400]\) \(74768347616680342513/5615307472896\) \(40746433421275589246976\) \([2, 2]\) \(15482880\) \(3.3878\)  
98736.ca3 98736by3 \([0, -1, 0, -158765592, -969128811792]\) \(-60992553706117024753/20624795251201152\) \(-149659987558453919900762112\) \([2]\) \(30965760\) \(3.7344\)  
98736.ca1 98736by4 \([0, -1, 0, -2718622232, -54558722956560]\) \(306234591284035366263793/1727485056\) \(12535173747885735936\) \([2]\) \(30965760\) \(3.7344\)