Properties

Label 2-490-1.1-c3-0-30
Degree $2$
Conductor $490$
Sign $-1$
Analytic cond. $28.9109$
Root an. cond. $5.37688$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s − 7·3-s + 4·4-s + 5·5-s − 14·6-s + 8·8-s + 22·9-s + 10·10-s − 33·11-s − 28·12-s + 43·13-s − 35·15-s + 16·16-s − 111·17-s + 44·18-s + 70·19-s + 20·20-s − 66·22-s + 42·23-s − 56·24-s + 25·25-s + 86·26-s + 35·27-s − 225·29-s − 70·30-s + 88·31-s + 32·32-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.34·3-s + 1/2·4-s + 0.447·5-s − 0.952·6-s + 0.353·8-s + 0.814·9-s + 0.316·10-s − 0.904·11-s − 0.673·12-s + 0.917·13-s − 0.602·15-s + 1/4·16-s − 1.58·17-s + 0.576·18-s + 0.845·19-s + 0.223·20-s − 0.639·22-s + 0.380·23-s − 0.476·24-s + 1/5·25-s + 0.648·26-s + 0.249·27-s − 1.44·29-s − 0.426·30-s + 0.509·31-s + 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(490\)    =    \(2 \cdot 5 \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(28.9109\)
Root analytic conductor: \(5.37688\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 490,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p T \)
5 \( 1 - p T \)
7 \( 1 \)
good3 \( 1 + 7 T + p^{3} T^{2} \)
11 \( 1 + 3 p T + p^{3} T^{2} \)
13 \( 1 - 43 T + p^{3} T^{2} \)
17 \( 1 + 111 T + p^{3} T^{2} \)
19 \( 1 - 70 T + p^{3} T^{2} \)
23 \( 1 - 42 T + p^{3} T^{2} \)
29 \( 1 + 225 T + p^{3} T^{2} \)
31 \( 1 - 88 T + p^{3} T^{2} \)
37 \( 1 + 34 T + p^{3} T^{2} \)
41 \( 1 + 432 T + p^{3} T^{2} \)
43 \( 1 + 178 T + p^{3} T^{2} \)
47 \( 1 + 411 T + p^{3} T^{2} \)
53 \( 1 + 708 T + p^{3} T^{2} \)
59 \( 1 + 480 T + p^{3} T^{2} \)
61 \( 1 + 812 T + p^{3} T^{2} \)
67 \( 1 - 596 T + p^{3} T^{2} \)
71 \( 1 - 432 T + p^{3} T^{2} \)
73 \( 1 - 358 T + p^{3} T^{2} \)
79 \( 1 - 425 T + p^{3} T^{2} \)
83 \( 1 + 972 T + p^{3} T^{2} \)
89 \( 1 + 960 T + p^{3} T^{2} \)
97 \( 1 - 709 T + p^{3} T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.54910345808712796702091380829, −9.418027316248037874551009339162, −8.152668305399606981443608572015, −6.86048310687503810340152392540, −6.21900072901172113409713365931, −5.32547497348909143092960019509, −4.68818915848821752543134777441, −3.20875662775073524290471533045, −1.67251415558945617095363690021, 0, 1.67251415558945617095363690021, 3.20875662775073524290471533045, 4.68818915848821752543134777441, 5.32547497348909143092960019509, 6.21900072901172113409713365931, 6.86048310687503810340152392540, 8.152668305399606981443608572015, 9.418027316248037874551009339162, 10.54910345808712796702091380829

Graph of the $Z$-function along the critical line