Cremona's table of elliptic curves

16215 = 3 · 5 · 23 · 47

Class	r	Atkin-Lehner	Eigenvalues
16215a (4 curves)	0	3+ 5+ 23- 47+	-1 3+ 5+  4 -4  6  2  4
Curve Equation t 16215a1 [1,1,1,-411,-1392] 2 16215a2 [1,1,1,-3536,78608] 4 16215a3 [1,1,1,-56411,5133458] 4 16215a4 [1,1,1,-661,206258] 2
16215b (2 curves)	0	3+ 5- 23- 47-	1 3+ 5-  2  0 -4 -6  4
Curve Equation t 16215b1 [1,1,0,273,-8784] 2 16215b2 [1,1,0,-5132,-135261] 2
16215c (2 curves)	1	3- 5+ 23+ 47-	1 3- 5+  0  4 -4  0  0
Curve Equation t Generators 16215c1 [1,0,1,-11539,-476263] 2 [5294:131641:8] 16215c2 [1,0,1,-5914,-939763] 2 [157341554:3930567031:238328]
16215d (1 curve)	1	3- 5+ 23+ 47-	-2 3- 5+  2  0 -2  7  3
Curve Equation t Generators 16215d1 [0,1,1,4,-40] 1 [4:7:1]
16215e (2 curves)	1	3- 5+ 23- 47+	-1 3- 5+ -4 -4  0  0  4
Curve Equation t Generators 16215e1 [1,0,0,-201,1080] 2 [3:21:1] 16215e2 [1,0,0,-176,1365] 2 [1:34:1]
16215f (1 curve)	1	3- 5+ 23- 47+	2 3- 5+  2 -4  6 -3 -5
Curve Equation t Generators 16215f1 [0,1,1,-21526,-1226129] 1 [1546:10931:8]
16215g (2 curves)	1	3- 5- 23+ 47+	1 3- 5- -2  0  0  6 -4
Curve Equation t Generators 16215g1 [1,0,1,-18,-17] 2 [46:45:8] 16215g2 [1,0,1,57,-107] 2 [762:2095:216]
16215h (2 curves)	0	3- 5- 23- 47+	-1 3- 5-  2  0  0 -2  4
Curve Equation t 16215h1 [1,0,0,-360,2607] 2 16215h2 [1,0,0,-5765,168000] 2

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

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