Elliptic curve isogeny class with LMFDB label 4950.bu (Cremona label 4950bl)

• Label: 4950.bu
• Number of curves: $4$
• Conductor: $4950$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 4950.bu have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 - T\)
\(3\)	\(1\)
\(5\)	\(1\)
\(11\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(7\)	\( 1 - 4 T + 7 T^{2}\)	1.7.ae
\(13\)	\( 1 - 6 T + 13 T^{2}\)	1.13.ag
\(17\)	\( 1 - 2 T + 17 T^{2}\)	1.17.ac
\(19\)	\( 1 - 4 T + 19 T^{2}\)	1.19.ae
\(23\)	\( 1 - 4 T + 23 T^{2}\)	1.23.ae
\(29\)	\( 1 + 6 T + 29 T^{2}\)	1.29.g
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 4950.bu do not have complex multiplication.

Modular form 4950.2.a.bu

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.

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

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 4950.bu

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
4950.bu1	4950bl3	\([1, -1, 1, -79205, 8599547]\)	\(4824238966273/66\)	\(751781250\)	\([2]\)	\(16384\)	\(1.2591\)
4950.bu2	4950bl2	\([1, -1, 1, -4955, 135047]\)	\(1180932193/4356\)	\(49617562500\)	\([2, 2]\)	\(8192\)	\(0.91250\)
4950.bu3	4950bl4	\([1, -1, 1, -2705, 256547]\)	\(-192100033/2371842\)	\(-27016762781250\)	\([2]\)	\(16384\)	\(1.2591\)
4950.bu4	4950bl1	\([1, -1, 1, -455, 47]\)	\(912673/528\)	\(6014250000\)	\([2]\)	\(4096\)	\(0.56592\)	\(\Gamma_0(N)\)-optimal