Properties

Label 87856g
Number of curves $3$
Conductor $87856$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
Copy content sage:E = EllipticCurve("g1") E.isogeny_class()
 

Rank

Copy content sage:E.rank()
 

The elliptic curves in class 87856g have rank \(0\).

L-function data

 
Bad L-factors:
Prime L-Factor
\(2\)\(1\)
\(17\)\(1\)
\(19\)\(1 + T\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(3\) \( 1 + 2 T + 3 T^{2}\) 1.3.c
\(5\) \( 1 - 2 T + 5 T^{2}\) 1.5.ac
\(7\) \( 1 + 7 T^{2}\) 1.7.a
\(11\) \( 1 + 11 T^{2}\) 1.11.a
\(13\) \( 1 - 2 T + 13 T^{2}\) 1.13.ac
\(23\) \( 1 + 23 T^{2}\) 1.23.a
\(29\) \( 1 + 29 T^{2}\) 1.29.a
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 87856g do not have complex multiplication.

Modular form 87856.2.a.g

Copy content sage:E.q_eigenform(10)
 
\(q + q^{3} - q^{7} - 2 q^{9} - 6 q^{11} + 5 q^{13} - q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rrr} 1 & 3 & 9 \\ 3 & 1 & 3 \\ 9 & 3 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.

Elliptic curves in class 87856g

Copy content sage:E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
87856.n2 87856g1 \([0, 1, 0, -71768, -7426540]\) \(-413493625/152\) \(-15027857358848\) \([]\) \(241920\) \(1.4963\) \(\Gamma_0(N)\)-optimal
87856.n3 87856g2 \([0, 1, 0, 43832, -28114316]\) \(94196375/3511808\) \(-347203616418824192\) \([]\) \(725760\) \(2.0456\)  
87856.n1 87856g3 \([0, 1, 0, -395448, 769793876]\) \(-69173457625/2550136832\) \(-252125608926582407168\) \([]\) \(2177280\) \(2.5949\)