Cremona's table of elliptic curves

21675 = 3 · 5² · 17²

Field	Data	Notes
Atkin-Lehner	3- 5- 17+	Signs for the Atkin-Lehner involutions
Class	21675v	Isogeny class
Conductor	21675	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	27648	Modular degree for the optimal curve
Δ	-13079545201875 = -1 · 3 · 54 · 178	Discriminant
Eigenvalues	0 3- 5-  1 -2  1 17+ -1	Hecke eigenvalues for primes up to 20
Equation	[0,1,1,4817,118744]	[a1,a2,a3,a4,a6]
Generators	[7462:165859:343]	Generators of the group modulo torsion
j	819200/867	j-invariant
L	5.2605602302114	L(r)(E,1)/r!
Ω	0.4693034291805	Real period
R	5.6046471249928	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	65025cc1 21675a1 1275c1	Quadratic twists by: -3 5 17

Hecke Eigenvalues for elliptic curve 21675v1

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	-2	1	+	-1	4	4	-7	6	-2	-3	-4	-14	6	7	-11	-2	2	0	-4	10	9

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Quadratic twists for elliptic curve 21675v1

-3	5	17
65025cc1	21675a1	1275c1

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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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