Properties

Label 2-980-1.1-c1-0-7
Degree $2$
Conductor $980$
Sign $1$
Analytic cond. $7.82533$
Root an. cond. $2.79738$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s + 5-s + 9-s − 2·13-s + 2·15-s + 6·17-s + 4·19-s + 6·23-s + 25-s − 4·27-s + 6·29-s + 4·31-s + 2·37-s − 4·39-s − 6·41-s − 10·43-s + 45-s + 6·47-s + 12·51-s − 6·53-s + 8·57-s − 12·59-s − 2·61-s − 2·65-s + 2·67-s + 12·69-s − 12·71-s + ⋯
L(s)  = 1  + 1.15·3-s + 0.447·5-s + 1/3·9-s − 0.554·13-s + 0.516·15-s + 1.45·17-s + 0.917·19-s + 1.25·23-s + 1/5·25-s − 0.769·27-s + 1.11·29-s + 0.718·31-s + 0.328·37-s − 0.640·39-s − 0.937·41-s − 1.52·43-s + 0.149·45-s + 0.875·47-s + 1.68·51-s − 0.824·53-s + 1.05·57-s − 1.56·59-s − 0.256·61-s − 0.248·65-s + 0.244·67-s + 1.44·69-s − 1.42·71-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(980\)    =    \(2^{2} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(7.82533\)
Root analytic conductor: \(2.79738\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: $\chi_{980} (1, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 980,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.578660952\)
\(L(\frac12)\) \(\approx\) \(2.578660952\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−9.789054880187459544551674749578, −9.237629786112200017815782266993, −8.321958701563865500343115449553, −7.67946935430715687873464278567, −6.77106114591073562021381363331, −5.60226623689013744024577168227, −4.73531593841690414562612515004, −3.28633294922749820286908619224, −2.80176924686893785247315174730, −1.37767620904697515455020569610, 1.37767620904697515455020569610, 2.80176924686893785247315174730, 3.28633294922749820286908619224, 4.73531593841690414562612515004, 5.60226623689013744024577168227, 6.77106114591073562021381363331, 7.67946935430715687873464278567, 8.321958701563865500343115449553, 9.237629786112200017815782266993, 9.789054880187459544551674749578

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