Cremona's table of elliptic curves

7839 = 3² · 13 · 67

Field	Data	Notes
Atkin-Lehner	3- 13- 67+	Signs for the Atkin-Lehner involutions
Class	7839c	Isogeny class
Conductor	7839	Conductor
∏ cp	20	Product of Tamagawa factors cp
deg	38400	Modular degree for the optimal curve
Δ	-19782217456837173 = -1 · 311 · 135 · 673	Discriminant
Eigenvalues	-1 3- -2  2  5 13- -2  3	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,64939,-2301150]	[a1,a2,a3,a4,a6]
Generators	[308:6690:1]	Generators of the group modulo torsion
j	41545045924015607/27136100763837	j-invariant
L	2.6568214403253	L(r)(E,1)/r!
Ω	0.21981638613194	Real period
R	0.6043274314251	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	125424bb1 2613b1 101907i1	Quadratic twists by: -4 -3 13

Hecke Eigenvalues for elliptic curve 7839c1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-1	-	-2	2	5	-	-2	3	-3	-2	4	-8	-6	9	0	-6	-6	4	+	-6	-4	-1	-10	5	1

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Quadratic twists for elliptic curve 7839c1

-4	-3	13
125424bb1	2613b1	101907i1

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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