Cremona's table of elliptic curves

21630 = 2 · 3 · 5 · 7 · 103

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 7- 103-	Signs for the Atkin-Lehner involutions
Class	21630p	Isogeny class
Conductor	21630	Conductor
∏ cp	60	Product of Tamagawa factors cp
Δ	599106355680 = 25 · 3 · 5 · 76 · 1032	Discriminant
Eigenvalues	2- 3+ 5+ 7- -6 -6 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-3296,-63967]	[a1,a2,a3,a4,a6]
Generators	[-31:113:1] [-23:29:1]	Generators of the group modulo torsion
j	3959985141923329/599106355680	j-invariant
L	8.7979835530188	L(r)(E,1)/r!
Ω	0.63648428162116	Real period
R	0.92151880856205	Regulator
r	2	Rank of the group of rational points
S	0.99999999999986	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	64890bq2 108150bf2	Quadratic twists by: -3 5

Hecke Eigenvalues for elliptic curve 21630p2

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
-	+	+	-	-6	-6	-6	-4	-4	-2	-8	-6	0	-6	-8	-12	10	8	-6	8	-2	-4	16	-14	8

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Quadratic twists for elliptic curve 21630p2

-3	5
64890bq2	108150bf2

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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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