Cremona's table of elliptic curves

30800 = 2⁴ · 5² · 7 · 11

Field	Data	Notes
Atkin-Lehner	2- 5- 7- 11+	Signs for the Atkin-Lehner involutions
Class	30800cu	Isogeny class
Conductor	30800	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	3035648000 = 212 · 53 · 72 · 112	Discriminant
Eigenvalues	2- -2 5- 7- 11+ -6 -6  0	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-20888,1155028]	[a1,a2,a3,a4,a6]
Generators	[28:770:1] [78:80:1]	Generators of the group modulo torsion
j	1968634623437/5929	j-invariant
L	6.0763290970558	L(r)(E,1)/r!
Ω	1.2401076395361	Real period
R	0.61248000811928	Regulator
r	2	Rank of the group of rational points
S	1.0000000000002	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	1925h2 123200hu2 30800cg2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 30800cu2

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

---

Quadratic twists for elliptic curve 30800cu2

-4	8	5
1925h2	123200hu2	30800cg2

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations