Elliptic curve isogeny class with Cremona label 4928u (LMFDB label 4928.bd)

• Label: 4928u
• Number of curves: $2$
• Conductor: $4928$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 4928u have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1\)
\(7\)	\(1 - T\)
\(11\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(3\)	\( 1 + 3 T^{2}\)	1.3.a
\(5\)	\( 1 - 2 T + 5 T^{2}\)	1.5.ac
\(13\)	\( 1 + 2 T + 13 T^{2}\)	1.13.c
\(17\)	\( 1 + 2 T + 17 T^{2}\)	1.17.c
\(19\)	\( 1 - 4 T + 19 T^{2}\)	1.19.ae
\(23\)	\( 1 + 8 T + 23 T^{2}\)	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 4928u do not have complex multiplication.

Modular form 4928.2.a.u

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 Cremona numbering.

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

Isogeny graph

The vertices are labelled with Cremona labels.

Elliptic curves in class 4928u

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
4928.bd2	4928u1	\([0, -1, 0, 15311, -778095]\)	\(24226243449392/29774625727\)	\(-487827467911168\)	\([2]\)	\(15360\)	\(1.5045\)	\(\Gamma_0(N)\)-optimal
4928.bd1	4928u2	\([0, -1, 0, -91169, -7401151]\)	\(1278763167594532/375974556419\)	\(24639868529475584\)	\([2]\)	\(30720\)	\(1.8511\)