Properties

Label 28314.b
Number of curves $2$
Conductor $28314$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("b1")
 
E.isogeny_class()
 

Elliptic curves in class 28314.b

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
28314.b1 28314w1 \([1, -1, 0, -113241321, 463855087053]\) \(-124352595912593543977/103332962304\) \(-133451210957500440576\) \([]\) \(2995200\) \(3.1650\) \(\Gamma_0(N)\)-optimal
28314.b2 28314w2 \([1, -1, 0, -87905736, 676853506368]\) \(-58169016237585194137/119573538788081664\) \(-154425395284786548012220416\) \([]\) \(8985600\) \(3.7143\)  

Rank

sage: E.rank()
 

The elliptic curves in class 28314.b have rank \(1\).

Complex multiplication

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

Modular form 28314.2.a.b

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} - 3 q^{5} + q^{7} - q^{8} + 3 q^{10} - q^{13} - q^{14} + q^{16} - 2 q^{19} + O(q^{20})\) 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 LMFDB 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 LMFDB labels.