Elliptic curve isogeny class with LMFDB label 209814.k (Cremona label 209814cs)

• Label: 209814.k
• Number of curves: $2$
• Conductor: $209814$
• CM: no
• Rank: $1$

Rank

The elliptic curves in class 209814.k have rank \(1\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 + T\)
\(3\)	\(1 + T\)
\(11\)	\(1\)
\(17\)	\(1\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(5\)	\( 1 + 5 T^{2}\)	1.5.a
\(7\)	\( 1 + 2 T + 7 T^{2}\)	1.7.c
\(13\)	\( 1 - 4 T + 13 T^{2}\)	1.13.ae
\(19\)	\( 1 + 19 T^{2}\)	1.19.a
\(23\)	\( 1 + 8 T + 23 T^{2}\)	1.23.i
\(29\)	\( 1 - 2 T + 29 T^{2}\)	1.29.ac
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 209814.k do not have complex multiplication.

Modular form 209814.2.a.k

Isogeny 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.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 209814.k

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
209814.k1	209814cs2	\([1, 1, 0, -4722351185, 124904674969749]\)	\(362515826352179162139875/203046912\)	\(6523309327535751168\)	\([2]\)	\(83607552\)	\(3.8384\)
209814.k2	209814cs1	\([1, 1, 0, -295148625, 1951520032917]\)	\(88506348541062171875/2094601863168\)	\(67293492606662137085952\)	\([2]\)	\(41803776\)	\(3.4918\)	\(\Gamma_0(N)\)-optimal