Properties

Label 2-490-1.1-c5-0-18
Degree $2$
Conductor $490$
Sign $1$
Analytic cond. $78.5880$
Root an. cond. $8.86499$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4·2-s − 6·3-s + 16·4-s + 25·5-s − 24·6-s + 64·8-s − 207·9-s + 100·10-s + 192·11-s − 96·12-s − 1.10e3·13-s − 150·15-s + 256·16-s − 762·17-s − 828·18-s + 2.74e3·19-s + 400·20-s + 768·22-s + 1.56e3·23-s − 384·24-s + 625·25-s − 4.42e3·26-s + 2.70e3·27-s + 5.91e3·29-s − 600·30-s + 6.86e3·31-s + 1.02e3·32-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.384·3-s + 1/2·4-s + 0.447·5-s − 0.272·6-s + 0.353·8-s − 0.851·9-s + 0.316·10-s + 0.478·11-s − 0.192·12-s − 1.81·13-s − 0.172·15-s + 1/4·16-s − 0.639·17-s − 0.602·18-s + 1.74·19-s + 0.223·20-s + 0.338·22-s + 0.617·23-s − 0.136·24-s + 1/5·25-s − 1.28·26-s + 0.712·27-s + 1.30·29-s − 0.121·30-s + 1.28·31-s + 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(490\)    =    \(2 \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(78.5880\)
Root analytic conductor: \(8.86499\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 490,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(2.924741026\)
\(L(\frac12)\) \(\approx\) \(2.924741026\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{2} T \)
5 \( 1 - p^{2} T \)
7 \( 1 \)
good3 \( 1 + 2 p T + p^{5} T^{2} \)
11 \( 1 - 192 T + p^{5} T^{2} \)
13 \( 1 + 1106 T + p^{5} T^{2} \)
17 \( 1 + 762 T + p^{5} T^{2} \)
19 \( 1 - 2740 T + p^{5} T^{2} \)
23 \( 1 - 1566 T + p^{5} T^{2} \)
29 \( 1 - 5910 T + p^{5} T^{2} \)
31 \( 1 - 6868 T + p^{5} T^{2} \)
37 \( 1 + 5518 T + p^{5} T^{2} \)
41 \( 1 - 378 T + p^{5} T^{2} \)
43 \( 1 + 2434 T + p^{5} T^{2} \)
47 \( 1 + 13122 T + p^{5} T^{2} \)
53 \( 1 + 9174 T + p^{5} T^{2} \)
59 \( 1 - 34980 T + p^{5} T^{2} \)
61 \( 1 - 9838 T + p^{5} T^{2} \)
67 \( 1 - 33722 T + p^{5} T^{2} \)
71 \( 1 - 70212 T + p^{5} T^{2} \)
73 \( 1 + 21986 T + p^{5} T^{2} \)
79 \( 1 - 4520 T + p^{5} T^{2} \)
83 \( 1 - 109074 T + p^{5} T^{2} \)
89 \( 1 + 38490 T + p^{5} T^{2} \)
97 \( 1 - 1918 T + p^{5} T^{2} \)
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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

−10.17409215000499471586758442478, −9.481011684254423336584831630925, −8.302834804423623641737349389614, −7.11453114774098521024056633626, −6.40741687381646647441797904755, −5.23828599299800380088512640450, −4.80222254379457634718478353231, −3.19746780888978486422054544797, −2.34659589496063485168822440313, −0.78573878838011113200775415555, 0.78573878838011113200775415555, 2.34659589496063485168822440313, 3.19746780888978486422054544797, 4.80222254379457634718478353231, 5.23828599299800380088512640450, 6.40741687381646647441797904755, 7.11453114774098521024056633626, 8.302834804423623641737349389614, 9.481011684254423336584831630925, 10.17409215000499471586758442478

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