Properties

Label 2-976-244.243-c0-0-2
Degree $2$
Conductor $976$
Sign $1$
Analytic cond. $0.487087$
Root an. cond. $0.697916$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5-s + 1.73·7-s + 9-s − 1.73·11-s − 13-s − 1.73·23-s + 1.73·35-s − 41-s + 45-s + 1.99·49-s − 1.73·55-s + 1.73·59-s − 61-s + 1.73·63-s − 65-s + 1.73·67-s + 73-s − 2.99·77-s − 1.73·79-s + 81-s − 1.73·91-s − 2·97-s − 1.73·99-s − 109-s − 113-s − 1.73·115-s − 117-s + ⋯
L(s)  = 1  + 5-s + 1.73·7-s + 9-s − 1.73·11-s − 13-s − 1.73·23-s + 1.73·35-s − 41-s + 45-s + 1.99·49-s − 1.73·55-s + 1.73·59-s − 61-s + 1.73·63-s − 65-s + 1.73·67-s + 73-s − 2.99·77-s − 1.73·79-s + 81-s − 1.73·91-s − 2·97-s − 1.73·99-s − 109-s − 113-s − 1.73·115-s − 117-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 976 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 976 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(976\)    =    \(2^{4} \cdot 61\)
Sign: $1$
Analytic conductor: \(0.487087\)
Root analytic conductor: \(0.697916\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{976} (975, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 976,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.300882212\)
\(L(\frac12)\) \(\approx\) \(1.300882212\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
61 \( 1 + T \)
good3 \( 1 - T^{2} \)
5 \( 1 - T + T^{2} \)
7 \( 1 - 1.73T + T^{2} \)
11 \( 1 + 1.73T + T^{2} \)
13 \( 1 + T + T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 - T^{2} \)
23 \( 1 + 1.73T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 + T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 + T + T^{2} \)
43 \( 1 + T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - 1.73T + T^{2} \)
67 \( 1 - 1.73T + T^{2} \)
71 \( 1 + T^{2} \)
73 \( 1 - T + T^{2} \)
79 \( 1 + 1.73T + T^{2} \)
83 \( 1 - T^{2} \)
89 \( 1 - T^{2} \)
97 \( 1 + 2T + T^{2} \)
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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

−10.14853736181523255969087843639, −9.681854634421752525365627571264, −8.267353686550866216673289175350, −7.85957501973448490714394140539, −6.96895555370816725001799748903, −5.59376612261442446367254223207, −5.10748209512788934814198373082, −4.23212097657041214622301498662, −2.39582097143609153951770010223, −1.77500013501147469243296806692, 1.77500013501147469243296806692, 2.39582097143609153951770010223, 4.23212097657041214622301498662, 5.10748209512788934814198373082, 5.59376612261442446367254223207, 6.96895555370816725001799748903, 7.85957501973448490714394140539, 8.267353686550866216673289175350, 9.681854634421752525365627571264, 10.14853736181523255969087843639

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