Cremona's table of elliptic curves

7227 = 3² · 11 · 73

Field	Data	Notes
Atkin-Lehner	3+ 11+ 73+	Signs for the Atkin-Lehner involutions
Class	7227a	Isogeny class
Conductor	7227	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	3168	Modular degree for the optimal curve
Δ	15805449 = 39 · 11 · 73	Discriminant
Eigenvalues	-1 3+ -2  4 11+  2  8 -2	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-461,3916]	[a1,a2,a3,a4,a6]
Generators	[17:19:1]	Generators of the group modulo torsion
j	549353259/803	j-invariant
L	2.6759366600959	L(r)(E,1)/r!
Ω	2.2036250476678	Real period
R	2.428667856111	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	115632r1 7227b1 79497a1	Quadratic twists by: -4 -3 -11

Hecke Eigenvalues for elliptic curve 7227a1

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	4	+	2	8	-2	-8	-4	10	-6	6	-8	-8	-14	4	2	4	-16	+	10	-12	8	-18

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Quadratic twists for elliptic curve 7227a1

-4	-3	-11
115632r1	7227b1	79497a1

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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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