Properties

Label 28314y
Number of curves $2$
Conductor $28314$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("y1")
 
E.isogeny_class()
 

Elliptic curves in class 28314y

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
28314.q2 28314y1 \([1, -1, 0, -567, -2403]\) \(1890625/832\) \(8880176448\) \([]\) \(20160\) \(0.60475\) \(\Gamma_0(N)\)-optimal
28314.q1 28314y2 \([1, -1, 0, -22347, 1291329]\) \(115636266625/8788\) \(93796863732\) \([3]\) \(60480\) \(1.1541\)  

Rank

sage: E.rank()
 

The elliptic curves in class 28314y have rank \(0\).

Complex multiplication

The elliptic curves in class 28314y do not have complex multiplication.

Modular form 28314.2.a.y

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} + 2 q^{7} - q^{8} + q^{13} - 2 q^{14} + q^{16} - 3 q^{17} + 8 q^{19} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

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.

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

Isogeny graph

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

The vertices are labelled with Cremona labels.