Elliptic curve isogeny class with LMFDB label 28314.bf (Cremona label 28314ci)

• Label: 28314.bf
• Number of curves: $2$
• Conductor: $28314$
• CM: no
• Rank: $1$

Rank

The elliptic curves in class 28314.bf have rank \(1\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 - T\)
\(3\)	\(1\)
\(11\)	\(1\)
\(13\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(5\)	\( 1 + 2 T + 5 T^{2}\)	1.5.c
\(7\)	\( 1 + 4 T + 7 T^{2}\)	1.7.e
\(17\)	\( 1 + 8 T + 17 T^{2}\)	1.17.i
\(19\)	\( 1 - 6 T + 19 T^{2}\)	1.19.ag
\(23\)	\( 1 - 6 T + 23 T^{2}\)	1.23.ag
\(29\)	\( 1 + 2 T + 29 T^{2}\)	1.29.c
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 28314.bf do not have complex multiplication.

Modular form 28314.2.a.bf

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 28314.bf

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
28314.bf1	28314ci2	\([1, -1, 1, -8028131, -8742818653]\)	\(44308125149913793/61165323648\)	\(78993056304910230912\)	\([2]\)	\(1935360\)	\(2.7223\)
28314.bf2	28314ci1	\([1, -1, 1, -361571, -214537309]\)	\(-4047806261953/13066420224\)	\(-16874863188789805056\)	\([2]\)	\(967680\)	\(2.3758\)	\(\Gamma_0(N)\)-optimal