Elliptic curve isogeny class with LMFDB label 2646.bc (Cremona label 2646q)

• Label: 2646.bc
• Number of curves: $2$
• Conductor: $2646$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 2646.bc have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 - T\)
\(3\)	\(1\)
\(7\)	\(1\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(5\)	\( 1 - 3 T + 5 T^{2}\)	1.5.ad
\(11\)	\( 1 + 11 T^{2}\)	1.11.a
\(13\)	\( 1 + 4 T + 13 T^{2}\)	1.13.e
\(17\)	\( 1 - 6 T + 17 T^{2}\)	1.17.ag
\(19\)	\( 1 + 4 T + 19 T^{2}\)	1.19.e
\(23\)	\( 1 - 6 T + 23 T^{2}\)	1.23.ag
\(29\)	\( 1 + 3 T + 29 T^{2}\)	1.29.d
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 2646.bc do not have complex multiplication.

Modular form 2646.2.a.bc

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.

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

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 2646.bc

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
2646.bc1	2646q2	\([1, -1, 1, -5081, 140753]\)	\(-10353819/8\)	\(-11206773144\)	\([3]\)	\(3780\)	\(0.86004\)
2646.bc2	2646q1	\([1, -1, 1, 64, 809]\)	\(189/2\)	\(-311299254\)	\([]\)	\(1260\)	\(0.31074\)	\(\Gamma_0(N)\)-optimal