Cremona's table of elliptic curves

1975 = 5² · 79

Field	Data	Notes
Atkin-Lehner	5+ 79+	Signs for the Atkin-Lehner involutions
Class	1975c	Isogeny class
Conductor	1975	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	12189453125 = 59 · 792	Discriminant
Eigenvalues	1 -2 5+ -2  4  6  0  4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-16626,-826477]	[a1,a2,a3,a4,a6]
Generators	[287:4106:1]	Generators of the group modulo torsion
j	32525910642961/780125	j-invariant
L	2.5847269713335	L(r)(E,1)/r!
Ω	0.42044226282934	Real period
R	3.0738191659655	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	31600t2 126400l2 17775u2 395b2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1975c2

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

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Quadratic twists for elliptic curve 1975c2

-4	8	-3	5	-7
31600t2	126400l2	17775u2	395b2	96775f2

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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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