Properties

Label 2-490-1.1-c3-0-0
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 3.24·3-s + 4·4-s − 5·5-s + 6.48·6-s − 8·8-s − 16.4·9-s + 10·10-s − 24.3·11-s − 12.9·12-s − 63.7·13-s + 16.2·15-s + 16·16-s + 117.·17-s + 32.9·18-s − 4.62·19-s − 20·20-s + 48.6·22-s − 164.·23-s + 25.9·24-s + 25·25-s + 127.·26-s + 141.·27-s − 124.·29-s − 32.4·30-s − 89.8·31-s − 32·32-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.624·3-s + 0.5·4-s − 0.447·5-s + 0.441·6-s − 0.353·8-s − 0.610·9-s + 0.316·10-s − 0.666·11-s − 0.312·12-s − 1.35·13-s + 0.279·15-s + 0.250·16-s + 1.66·17-s + 0.431·18-s − 0.0558·19-s − 0.223·20-s + 0.471·22-s − 1.49·23-s + 0.220·24-s + 0.200·25-s + 0.961·26-s + 1.00·27-s − 0.799·29-s − 0.197·30-s − 0.520·31-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: \(0\)
Selberg data: \((2,\ 490,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.4817252873\)
\(L(\frac12)\) \(\approx\) \(0.4817252873\)
\(L(\frac{5}{2})\) 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 \( 1 + 3.24T + 27T^{2} \)
11 \( 1 + 24.3T + 1.33e3T^{2} \)
13 \( 1 + 63.7T + 2.19e3T^{2} \)
17 \( 1 - 117.T + 4.91e3T^{2} \)
19 \( 1 + 4.62T + 6.85e3T^{2} \)
23 \( 1 + 164.T + 1.21e4T^{2} \)
29 \( 1 + 124.T + 2.43e4T^{2} \)
31 \( 1 + 89.8T + 2.97e4T^{2} \)
37 \( 1 + 212.T + 5.06e4T^{2} \)
41 \( 1 + 271.T + 6.89e4T^{2} \)
43 \( 1 - 99.7T + 7.95e4T^{2} \)
47 \( 1 - 204.T + 1.03e5T^{2} \)
53 \( 1 - 425.T + 1.48e5T^{2} \)
59 \( 1 - 572.T + 2.05e5T^{2} \)
61 \( 1 - 308.T + 2.26e5T^{2} \)
67 \( 1 - 617.T + 3.00e5T^{2} \)
71 \( 1 + 196.T + 3.57e5T^{2} \)
73 \( 1 - 469.T + 3.89e5T^{2} \)
79 \( 1 + 1.22e3T + 4.93e5T^{2} \)
83 \( 1 - 267.T + 5.71e5T^{2} \)
89 \( 1 - 589.T + 7.04e5T^{2} \)
97 \( 1 - 1.22e3T + 9.12e5T^{2} \)
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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

−10.33970070877390975747688188433, −9.936562310007269961492673418298, −8.669426158256817463971585523166, −7.80636584764342700965551200262, −7.13896369033112069752284077713, −5.79937491740257952021086483438, −5.14749504799190748583865593785, −3.54198217430779924329222397159, −2.24729421535428292051301421077, −0.47006052243765780560606859666, 0.47006052243765780560606859666, 2.24729421535428292051301421077, 3.54198217430779924329222397159, 5.14749504799190748583865593785, 5.79937491740257952021086483438, 7.13896369033112069752284077713, 7.80636584764342700965551200262, 8.669426158256817463971585523166, 9.936562310007269961492673418298, 10.33970070877390975747688188433

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