Cremona's table of elliptic curves

7215 = 3 · 5 · 13 · 37

Field	Data	Notes
Atkin-Lehner	3- 5- 13+ 37+	Signs for the Atkin-Lehner involutions
Class	7215h	Isogeny class
Conductor	7215	Conductor
∏ cp	480	Product of Tamagawa factors cp
Δ	-3335360275634765625 = -1 · 310 · 512 · 132 · 372	Discriminant
Eigenvalues	1 3- 5-  2 -2 13+ -2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,158352,84467203]	[a1,a2,a3,a4,a6]
Generators	[-91:8370:1]	Generators of the group modulo torsion
j	439135263576766951559/3335360275634765625	j-invariant
L	6.3704580897052	L(r)(E,1)/r!
Ω	0.18311539180279	Real period
R	0.28991091477835	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	115440bx2 21645c2 36075e2 93795u2	Quadratic twists by: -4 -3 5 13

Hecke Eigenvalues for elliptic curve 7215h2

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	+	-2	-4	-6	6	4	+	6	-2	-10	2	-8	-14	10	-2	-6	-10	-6	-10	2

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Quadratic twists for elliptic curve 7215h2

-4	-3	5	13
115440bx2	21645c2	36075e2	93795u2

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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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