Cremona's table of elliptic curves

21105 = 3² · 5 · 7 · 67

Field	Data	Notes
Atkin-Lehner	3- 5- 7- 67-	Signs for the Atkin-Lehner involutions
Class	21105n	Isogeny class
Conductor	21105	Conductor
∏ cp	10	Product of Tamagawa factors cp
deg	24320	Modular degree for the optimal curve
Δ	-12313564515 = -1 · 37 · 5 · 75 · 67	Discriminant
Eigenvalues	2 3- 5- 7-  5  0  0 -2	Hecke eigenvalues for primes up to 20
Equation	[0,0,1,-867,-11183]	[a1,a2,a3,a4,a6]
Generators	[290:563:8]	Generators of the group modulo torsion
j	-98867482624/16891035	j-invariant
L	11.834776947059	L(r)(E,1)/r!
Ω	0.43584153164593	Real period
R	2.7153853150171	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	7035c1 105525m1	Quadratic twists by: -3 5

Hecke Eigenvalues for elliptic curve 21105n1

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
2	-	-	-	5	0	0	-2	-8	2	1	-10	-8	-11	-2	-8	-5	5	-	-12	-6	-10	-8	1	2

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Quadratic twists for elliptic curve 21105n1

-3	5
7035c1	105525m1

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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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