Properties

Label 2-980-5.4-c1-0-0
Degree $2$
Conductor $980$
Sign $-i$
Analytic cond. $7.82533$
Root an. cond. $2.79738$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.40i·3-s + 2.23i·5-s − 8.62·9-s − 3.62·11-s + 1.06i·13-s + 7.62·15-s + 5.75i·17-s − 5.00·25-s + 19.1i·27-s − 9.62·29-s + 12.3i·33-s + 3.62·39-s − 19.2i·45-s − 1.28i·47-s + 19.6·51-s + ⋯
L(s)  = 1  − 1.96i·3-s + 0.999i·5-s − 2.87·9-s − 1.09·11-s + 0.294i·13-s + 1.96·15-s + 1.39i·17-s − 1.00·25-s + 3.68i·27-s − 1.78·29-s + 2.15i·33-s + 0.580·39-s − 2.87i·45-s − 0.187i·47-s + 2.74·51-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(980\)    =    \(2^{2} \cdot 5 \cdot 7^{2}\)
Sign: $-i$
Analytic conductor: \(7.82533\)
Root analytic conductor: \(2.79738\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{980} (589, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 980,\ (\ :1/2),\ -i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.209677 + 0.209677i\)
\(L(\frac12)\) \(\approx\) \(0.209677 + 0.209677i\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.23iT \)
7 \( 1 \)
good3 \( 1 + 3.40iT - 3T^{2} \)
11 \( 1 + 3.62T + 11T^{2} \)
13 \( 1 - 1.06iT - 13T^{2} \)
17 \( 1 - 5.75iT - 17T^{2} \)
19 \( 1 + 19T^{2} \)
23 \( 1 - 23T^{2} \)
29 \( 1 + 9.62T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 1.28iT - 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 + 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 12T + 71T^{2} \)
73 \( 1 + 13.4iT - 73T^{2} \)
79 \( 1 - 14.8T + 79T^{2} \)
83 \( 1 - 8.94iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 - 19.3iT - 97T^{2} \)
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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

−10.52987244295761349942071747197, −9.177352883822216329254034165072, −8.087291376810580175745950863155, −7.68606348320110424573478910580, −6.88805447018201216643203686908, −6.15544116708940073903249860969, −5.46894980965681602556743159239, −3.57108196342745047868552116707, −2.50489303706815910617302787264, −1.72315154565527323611574176674, 0.12637045002210007206319343398, 2.59940965940910232599333700771, 3.64531185440243123138512574419, 4.61237974804640420487341340096, 5.23121996784486624516601132760, 5.78159341043706604398730403175, 7.56318404100237797361711986361, 8.422742458816043206909153787378, 9.220026303187029576364604276801, 9.677299819623877435097101991405

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