Properties

Label 2-980-1.1-c1-0-9
Degree $2$
Conductor $980$
Sign $-1$
Analytic cond. $7.82533$
Root an. cond. $2.79738$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.41·3-s + 5-s + 2.82·9-s + 1.82·11-s − 6.41·13-s − 2.41·15-s − 3.58·17-s + 7.65·19-s + 3.41·23-s + 25-s + 0.414·27-s − 4.65·29-s − 7.41·31-s − 4.41·33-s − 0.585·37-s + 15.4·39-s − 3.41·41-s + 0.343·43-s + 2.82·45-s − 10.8·47-s + 8.65·51-s − 12.2·53-s + 1.82·55-s − 18.4·57-s − 0.585·59-s − 10.8·61-s − 6.41·65-s + ⋯
L(s)  = 1  − 1.39·3-s + 0.447·5-s + 0.942·9-s + 0.551·11-s − 1.77·13-s − 0.623·15-s − 0.869·17-s + 1.75·19-s + 0.711·23-s + 0.200·25-s + 0.0797·27-s − 0.864·29-s − 1.33·31-s − 0.768·33-s − 0.0963·37-s + 2.47·39-s − 0.533·41-s + 0.0523·43-s + 0.421·45-s − 1.58·47-s + 1.21·51-s − 1.68·53-s + 0.246·55-s − 2.44·57-s − 0.0762·59-s − 1.38·61-s − 0.795·65-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 980,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.41T + 3T^{2} \)
11 \( 1 - 1.82T + 11T^{2} \)
13 \( 1 + 6.41T + 13T^{2} \)
17 \( 1 + 3.58T + 17T^{2} \)
19 \( 1 - 7.65T + 19T^{2} \)
23 \( 1 - 3.41T + 23T^{2} \)
29 \( 1 + 4.65T + 29T^{2} \)
31 \( 1 + 7.41T + 31T^{2} \)
37 \( 1 + 0.585T + 37T^{2} \)
41 \( 1 + 3.41T + 41T^{2} \)
43 \( 1 - 0.343T + 43T^{2} \)
47 \( 1 + 10.8T + 47T^{2} \)
53 \( 1 + 12.2T + 53T^{2} \)
59 \( 1 + 0.585T + 59T^{2} \)
61 \( 1 + 10.8T + 61T^{2} \)
67 \( 1 - 3.07T + 67T^{2} \)
71 \( 1 + 10.4T + 71T^{2} \)
73 \( 1 + 10.8T + 73T^{2} \)
79 \( 1 + 15.1T + 79T^{2} \)
83 \( 1 - 8T + 83T^{2} \)
89 \( 1 - 16.9T + 89T^{2} \)
97 \( 1 - 9.72T + 97T^{2} \)
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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

−9.631238679195046345978330328254, −9.102691490295267057013913864365, −7.54095536878199713415402242985, −6.97627950513349276641135508582, −6.05815683316642060527335324338, −5.18558606489697503301758832989, −4.69839196630239099295080704262, −3.12718643944308874880015815755, −1.63176368754881663258788704565, 0, 1.63176368754881663258788704565, 3.12718643944308874880015815755, 4.69839196630239099295080704262, 5.18558606489697503301758832989, 6.05815683316642060527335324338, 6.97627950513349276641135508582, 7.54095536878199713415402242985, 9.102691490295267057013913864365, 9.631238679195046345978330328254

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