Elliptic curve isogeny class with LMFDB label 139650.bd (Cremona label 139650jb)

• Label: 139650.bd
• Number of curves: $4$
• Conductor: $139650$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 139650.bd have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 + T\)
\(3\)	\(1 + T\)
\(5\)	\(1\)
\(7\)	\(1\)
\(19\)	\(1 + T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(11\)	\( 1 + 11 T^{2}\)	1.11.a
\(13\)	\( 1 + 6 T + 13 T^{2}\)	1.13.g
\(17\)	\( 1 - 2 T + 17 T^{2}\)	1.17.ac
\(23\)	\( 1 + 8 T + 23 T^{2}\)	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 139650.bd do not have complex multiplication.

Modular form 139650.2.a.bd

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.

\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 139650.bd

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
139650.bd1	139650jb4	\([1, 1, 0, -603288025, -5703668969375]\)	\(13209596798923694545921/92340\)	\(169745447812500\)	\([2]\)	\(26542080\)	\(3.2652\)
139650.bd2	139650jb3	\([1, 1, 0, -38171025, -86818422375]\)	\(3345930611358906241/165622259047500\)	\(304457705541864492187500\)	\([2]\)	\(26542080\)	\(3.2652\)
139650.bd3	139650jb2	\([1, 1, 0, -37705525, -89131491875]\)	\(3225005357698077121/8526675600\)	\(15674294651006250000\)	\([2, 2]\)	\(13271040\)	\(2.9186\)
139650.bd4	139650jb1	\([1, 1, 0, -2327525, -1429429875]\)	\(-758575480593601/40535043840\)	\(-74514177698940000000\)	\([2]\)	\(6635520\)	\(2.5720\)	\(\Gamma_0(N)\)-optimal