Properties

Label 2-980-20.19-c0-0-6
Degree $2$
Conductor $980$
Sign $1$
Analytic cond. $0.489083$
Root an. cond. $0.699345$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 4-s − 5-s + 6-s + 8-s − 10-s + 12-s − 15-s + 16-s − 20-s − 23-s + 24-s + 25-s − 27-s − 29-s − 30-s + 32-s − 40-s + 41-s − 43-s − 46-s − 2·47-s + 48-s + 50-s − 54-s − 58-s + ⋯
L(s)  = 1  + 2-s + 3-s + 4-s − 5-s + 6-s + 8-s − 10-s + 12-s − 15-s + 16-s − 20-s − 23-s + 24-s + 25-s − 27-s − 29-s − 30-s + 32-s − 40-s + 41-s − 43-s − 46-s − 2·47-s + 48-s + 50-s − 54-s − 58-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 980 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 980 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(980\)    =    \(2^{2} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(0.489083\)
Root analytic conductor: \(0.699345\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{980} (99, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 980,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.089952523\)
\(L(\frac12)\) \(\approx\) \(2.089952523\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
5 \( 1 + T \)
7 \( 1 \)
good3 \( 1 - T + T^{2} \)
11 \( ( 1 - T )( 1 + T ) \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( ( 1 - T )( 1 + T ) \)
19 \( ( 1 - T )( 1 + T ) \)
23 \( 1 + T + T^{2} \)
29 \( 1 + T + T^{2} \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( 1 - T + T^{2} \)
43 \( 1 + T + T^{2} \)
47 \( ( 1 + T )^{2} \)
53 \( ( 1 - T )( 1 + T ) \)
59 \( ( 1 - T )( 1 + T ) \)
61 \( 1 - T + T^{2} \)
67 \( 1 + T + T^{2} \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( ( 1 - T )( 1 + T ) \)
83 \( 1 - T + T^{2} \)
89 \( 1 - T + T^{2} \)
97 \( ( 1 - T )( 1 + T ) \)
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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

−10.31990048532708246071458591738, −9.286706436347398469698404230018, −8.215826122258727690043498668495, −7.79212778268396863378710472128, −6.87674251740806942747160120192, −5.82575399864480327738129438243, −4.71051663907163530853475702508, −3.77607521606670155779079207040, −3.16147202131854107662615396429, −2.01168583171837733149191587769, 2.01168583171837733149191587769, 3.16147202131854107662615396429, 3.77607521606670155779079207040, 4.71051663907163530853475702508, 5.82575399864480327738129438243, 6.87674251740806942747160120192, 7.79212778268396863378710472128, 8.215826122258727690043498668495, 9.286706436347398469698404230018, 10.31990048532708246071458591738

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