Cremona's table of elliptic curves

21105 = 3² · 5 · 7 · 67

Class	r	Atkin-Lehner	Eigenvalues
21105a (1 curve)	0	3- 5+ 7+ 67+	0 3- 5+ 7+  0  0  3  1
Curve Equation t 21105a1 [0,0,1,-363198,274901634] 1
21105b (1 curve)	0	3- 5+ 7+ 67+	0 3- 5+ 7+ -5  0 -2 -4
Curve Equation t 21105b1 [0,0,1,-94548,-11191446] 1
21105c (1 curve)	0	3- 5+ 7+ 67+	2 3- 5+ 7+  6 -4  5 -7
Curve Equation t 21105c1 [0,0,1,-453,-10017] 1
21105d (1 curve)	1	3- 5+ 7+ 67-	0 3- 5+ 7+  5  1  3  2
Curve Equation t Generators 21105d1 [0,0,1,-2358,44219] 1 [7:167:1]
21105e (4 curves)	1	3- 5+ 7- 67+	1 3- 5+ 7-  0 -2 -2  4
Curve Equation t Generators 21105e1 [1,-1,0,-1260,-19845] 2 [378:7119:1] 21105e2 [1,-1,0,-21105,-1174824] 4 [24948:438795:64] 21105e3 [1,-1,0,-22050,-1063125] 2 [-102:393:1] 21105e4 [1,-1,0,-337680,-75443319] 2 [-448655348030:224329165193:1338273208]
21105f (2 curves)	0	3- 5+ 7- 67-	0 3- 5+ 7-  3 -4  6  8
Curve Equation t 21105f1 [0,0,1,-318,-2727] 1 21105f2 [0,0,1,2382,24678] 3
21105g (2 curves)	0	3- 5+ 7- 67-	-1 3- 5+ 7- -2 -6  6  0
Curve Equation t 21105g1 [1,-1,1,-3533,218652] 2 21105g2 [1,-1,1,-80078,8730456] 2
21105h (2 curves)	1	3- 5- 7+ 67+	1 3- 5- 7+  0 -4  0 -4
Curve Equation t Generators 21105h1 [1,-1,0,-65731149,205126156080] 2 [-2844:608922:1] 21105h2 [1,-1,0,-62215524,228040296705] 2 [-22002:4931751:8]
21105i (2 curves)	1	3- 5- 7+ 67+	-1 3- 5- 7+ -6  2  2 -4
Curve Equation t Generators 21105i1 [1,-1,1,1003,18596] 2 [6:154:1] 21105i2 [1,-1,1,-7502,202304] 2 [282:-4664:1]
21105j (4 curves)	0	3- 5- 7+ 67-	-1 3- 5- 7+  0  2  2  4
Curve Equation t 21105j1 [1,-1,1,418,-1276] 2 21105j2 [1,-1,1,-1787,-9214] 4 21105j3 [1,-1,1,-15962,773246] 2 21105j4 [1,-1,1,-22892,-1326166] 2
21105k (2 curves)	0	3- 5- 7+ 67-	-1 3- 5- 7+ -4  4 -4  0
Curve Equation t 21105k1 [1,-1,1,-149567,-22226466] 2 21105k2 [1,-1,1,-149342,-22296846] 2
21105l (4 curves)	2	3- 5- 7- 67+	-1 3- 5- 7- -4 -6 -6 -4
Curve Equation t Generators 21105l1 [1,-1,1,-1922,32744] 4 [-48:136:1]&[-21:262:1] 21105l2 [1,-1,1,-3047,-9106] 4 [-51:133:1]&[-48:181:1] 21105l3 [1,-1,1,12028,-81466] 2 [19:382:1]&[54:823:1] 21105l4 [1,-1,1,-36122,-2628646] 2 [-111:118:1]&[393:6418:1]
21105m (2 curves)	1	3- 5- 7- 67-	-1 3- 5- 7-  4  0  0  0
Curve Equation t Generators 21105m1 [1,-1,1,-1472,14946] 2 [-34:174:1] 21105m2 [1,-1,1,4153,98196] 2 [26:459:1]
21105n (1 curve)	1	3- 5- 7- 67-	2 3- 5- 7-  5  0  0 -2
Curve Equation t Generators 21105n1 [0,0,1,-867,-11183] 1 [290:563:8]

Data from Elliptic Curve Data by J. E. Cremona.
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