Cremona's table of elliptic curves

30821 = 7² · 17 · 37

Class	r	Atkin-Lehner	Eigenvalues
30821a (1 curve)	0	7- 17+ 37+	2 -3  2 7- -3 -4 17+ -2
Curve Equation t 30821a1 [0,0,1,-10339,-399681] 1
30821b (1 curve)	1	7- 17+ 37-	0  2  1 7-  3 -3 17+  4
Curve Equation t Generators 30821b1 [0,-1,1,-273765,55224784] 1 [19556:6037:64]
30821c (1 curve)	1	7- 17+ 37-	0  2 -1 7- -3  1 17+ -4
Curve Equation t Generators 30821c1 [0,-1,1,-261,-4712] 1 [26:73:1]
30821d (1 curve)	1	7- 17+ 37-	0 -2  1 7-  3 -3 17+ -4
Curve Equation t Generators 30821d1 [0,1,1,145,-1368] 1 [100:1011:1]
30821e (1 curve)	1	7- 17+ 37-	0  3  0 7- -1  0 17+  2
Curve Equation t Generators 30821e1 [0,0,1,-1960,-16550] 1 [-23238:84457:729]
30821f (1 curve)	1	7- 17+ 37-	0 -3 -4 7- -2 -3 17+  4
Curve Equation t Generators 30821f1 [0,0,1,-1372,-21009] 1 [49:171:1]
30821g (1 curve)	1	7- 17+ 37-	-1  0 -3 7- -5  2 17+ -1
Curve Equation t Generators 30821g1 [1,-1,1,-8364,-636436] 1 [186:1960:1]
30821h (1 curve)	1	7- 17+ 37-	2  0 -3 7-  1 -1 17+ -4
Curve Equation t Generators 30821h1 [0,0,1,-2009,46905] 1 [434:2495:8]
30821i (1 curve)	1	7- 17- 37+	1  0 -1 7- -5  2 17- -3
Curve Equation t Generators 30821i1 [1,-1,0,530,5109] 1 [20:143:1]
30821j (1 curve)	1	7- 17- 37+	-2  3 -4 7-  4 -1 17-  0
Curve Equation t Generators 30821j1 [0,0,1,-7141897,-9875983994] 1 [3006864:128016325:729]
30821k (1 curve)	0	7- 17- 37-	0  2 -1 7-  3  3 17-  4
Curve Equation t 30821k1 [0,-1,1,7089,483328] 1
30821l (1 curve)	0	7- 17- 37-	0 -2 -1 7-  3  3 17- -4
Curve Equation t 30821l1 [0,1,1,-13414501,-18915272008] 1
30821m (1 curve)	0	7- 17- 37-	0  3  4 7- -2  3 17- -4
Curve Equation t 30821m1 [0,0,1,-28,61] 1
30821n (1 curve)	0	7- 17- 37-	2 -2  3 7- -3 -3 17-  4
Curve Equation t 30821n1 [0,1,1,-60384,5695449] 1

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

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