Cremona's table of elliptic curves

7238 = 2 · 7 · 11 · 47

Field	Data	Notes
Atkin-Lehner	2- 7- 11+ 47+	Signs for the Atkin-Lehner involutions
Class	7238f	Isogeny class
Conductor	7238	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	2080	Modular degree for the optimal curve
Δ	-211943116 = -1 · 22 · 7 · 115 · 47	Discriminant
Eigenvalues	2-  0  1 7- 11+  0 -7  4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,23,693]	[a1,a2,a3,a4,a6]
Generators	[3:26:1]	Generators of the group modulo torsion
j	1401168159/211943116	j-invariant
L	6.3789443133633	L(r)(E,1)/r!
Ω	1.3688223100446	Real period
R	2.3300848717009	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	57904m1 65142l1 50666l1 79618d1	Quadratic twists by: -4 -3 -7 -11

Hecke Eigenvalues for elliptic curve 7238f1

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
-	0	1	-	+	0	-7	4	6	-5	-4	-11	-2	5	+	-5	-12	7	-2	15	-8	-4	-5	-4	-8

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Quadratic twists for elliptic curve 7238f1

-4	-3	-7	-11
57904m1	65142l1	50666l1	79618d1

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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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