Properties

Label 2-490-1.1-c3-0-25
Degree $2$
Conductor $490$
Sign $-1$
Analytic cond. $28.9109$
Root an. cond. $5.37688$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s − 9.22·3-s + 4·4-s − 5·5-s − 18.4·6-s + 8·8-s + 58.1·9-s − 10·10-s + 23.1·11-s − 36.9·12-s − 54.8·13-s + 46.1·15-s + 16·16-s + 52.8·17-s + 116.·18-s + 151.·19-s − 20·20-s + 46.2·22-s − 181.·23-s − 73.8·24-s + 25·25-s − 109.·26-s − 287.·27-s − 64.0·29-s + 92.2·30-s + 45.0·31-s + 32·32-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.77·3-s + 0.5·4-s − 0.447·5-s − 1.25·6-s + 0.353·8-s + 2.15·9-s − 0.316·10-s + 0.633·11-s − 0.888·12-s − 1.17·13-s + 0.794·15-s + 0.250·16-s + 0.754·17-s + 1.52·18-s + 1.83·19-s − 0.223·20-s + 0.447·22-s − 1.64·23-s − 0.627·24-s + 0.200·25-s − 0.827·26-s − 2.05·27-s − 0.410·29-s + 0.561·30-s + 0.260·31-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: no
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 \( 1 - 2T \)
5 \( 1 + 5T \)
7 \( 1 \)
good3 \( 1 + 9.22T + 27T^{2} \)
11 \( 1 - 23.1T + 1.33e3T^{2} \)
13 \( 1 + 54.8T + 2.19e3T^{2} \)
17 \( 1 - 52.8T + 4.91e3T^{2} \)
19 \( 1 - 151.T + 6.85e3T^{2} \)
23 \( 1 + 181.T + 1.21e4T^{2} \)
29 \( 1 + 64.0T + 2.43e4T^{2} \)
31 \( 1 - 45.0T + 2.97e4T^{2} \)
37 \( 1 - 191.T + 5.06e4T^{2} \)
41 \( 1 + 477.T + 6.89e4T^{2} \)
43 \( 1 + 537.T + 7.95e4T^{2} \)
47 \( 1 + 147.T + 1.03e5T^{2} \)
53 \( 1 + 148.T + 1.48e5T^{2} \)
59 \( 1 + 273.T + 2.05e5T^{2} \)
61 \( 1 + 300.T + 2.26e5T^{2} \)
67 \( 1 - 222.T + 3.00e5T^{2} \)
71 \( 1 + 34.8T + 3.57e5T^{2} \)
73 \( 1 + 1.06e3T + 3.89e5T^{2} \)
79 \( 1 + 1.06e3T + 4.93e5T^{2} \)
83 \( 1 - 1.47e3T + 5.71e5T^{2} \)
89 \( 1 - 88.5T + 7.04e5T^{2} \)
97 \( 1 + 570.T + 9.12e5T^{2} \)
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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

−10.20488464244320582430844206850, −9.745812871842171969442317871113, −7.83662071309337833298114634603, −7.07590600025799060356520544112, −6.16870658735517411254824024208, −5.30133405987748696126956921812, −4.61896268122217286843015170558, −3.43347264394227825771249242343, −1.45352795986866716004471793520, 0, 1.45352795986866716004471793520, 3.43347264394227825771249242343, 4.61896268122217286843015170558, 5.30133405987748696126956921812, 6.16870658735517411254824024208, 7.07590600025799060356520544112, 7.83662071309337833298114634603, 9.745812871842171969442317871113, 10.20488464244320582430844206850

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