Cremona's table of elliptic curves

21175 = 5² · 7 · 11²

Field	Data	Notes
Atkin-Lehner	5+ 7- 11-	Signs for the Atkin-Lehner involutions
Class	21175r	Isogeny class
Conductor	21175	Conductor
∏ cp	12	Product of Tamagawa factors cp
Δ	-1186807466796875 = -1 · 59 · 73 · 116	Discriminant
Eigenvalues	0 -1 5+ 7- 11-  5  3 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,26217,270093]	[a1,a2,a3,a4,a6]
Generators	[-3:437:1]	Generators of the group modulo torsion
j	71991296/42875	j-invariant
L	3.5598157432273	L(r)(E,1)/r!
Ω	0.29732810953463	Real period
R	0.99772373489988	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	4235b2 175b2	Quadratic twists by: 5 -11

Hecke Eigenvalues for elliptic curve 21175r2

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	+	-	-	5	3	-2	6	-3	-4	-2	12	-10	-9	-12	0	-8	4	0	2	1	12	-12	1

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Quadratic twists for elliptic curve 21175r2

5	-11
4235b2	175b2

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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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