Properties

Label 2-976-1.1-c1-0-26
Degree $2$
Conductor $976$
Sign $-1$
Analytic cond. $7.79339$
Root an. cond. $2.79166$
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  + 2.22·3-s − 4.18·5-s − 0.570·7-s + 1.95·9-s − 0.473·11-s − 0.269·13-s − 9.31·15-s − 2.85·17-s − 1.04·19-s − 1.26·21-s − 8.61·23-s + 12.4·25-s − 2.32·27-s − 0.0972·29-s − 4.42·31-s − 1.05·33-s + 2.38·35-s + 4.22·37-s − 0.600·39-s − 9.67·41-s − 0.946·43-s − 8.18·45-s − 8.25·47-s − 6.67·49-s − 6.36·51-s + 1.08·53-s + 1.97·55-s + ⋯
L(s)  = 1  + 1.28·3-s − 1.87·5-s − 0.215·7-s + 0.652·9-s − 0.142·11-s − 0.0748·13-s − 2.40·15-s − 0.693·17-s − 0.239·19-s − 0.277·21-s − 1.79·23-s + 2.49·25-s − 0.447·27-s − 0.0180·29-s − 0.793·31-s − 0.183·33-s + 0.403·35-s + 0.694·37-s − 0.0962·39-s − 1.51·41-s − 0.144·43-s − 1.21·45-s − 1.20·47-s − 0.953·49-s − 0.891·51-s + 0.149·53-s + 0.266·55-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(976\)    =    \(2^{4} \cdot 61\)
Sign: $-1$
Analytic conductor: \(7.79339\)
Root analytic conductor: \(2.79166\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 976,\ (\ :1/2),\ -1)\)

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 \( 1 \)
61 \( 1 + T \)
good3 \( 1 - 2.22T + 3T^{2} \)
5 \( 1 + 4.18T + 5T^{2} \)
7 \( 1 + 0.570T + 7T^{2} \)
11 \( 1 + 0.473T + 11T^{2} \)
13 \( 1 + 0.269T + 13T^{2} \)
17 \( 1 + 2.85T + 17T^{2} \)
19 \( 1 + 1.04T + 19T^{2} \)
23 \( 1 + 8.61T + 23T^{2} \)
29 \( 1 + 0.0972T + 29T^{2} \)
31 \( 1 + 4.42T + 31T^{2} \)
37 \( 1 - 4.22T + 37T^{2} \)
41 \( 1 + 9.67T + 41T^{2} \)
43 \( 1 + 0.946T + 43T^{2} \)
47 \( 1 + 8.25T + 47T^{2} \)
53 \( 1 - 1.08T + 53T^{2} \)
59 \( 1 - 10.5T + 59T^{2} \)
67 \( 1 + 4.92T + 67T^{2} \)
71 \( 1 - 6.35T + 71T^{2} \)
73 \( 1 - 14.3T + 73T^{2} \)
79 \( 1 + 11.6T + 79T^{2} \)
83 \( 1 - 13.2T + 83T^{2} \)
89 \( 1 - 8.27T + 89T^{2} \)
97 \( 1 - 17.9T + 97T^{2} \)
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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

−9.380504436116473854535857372817, −8.462389405923698256162313115799, −8.091461724269971427524106378034, −7.40108037337879531411539373688, −6.44402599967673618578179383398, −4.84722791856217090025254412781, −3.86057666596427874811204502779, −3.39416850551708371573828865018, −2.16977680580925116488168180512, 0, 2.16977680580925116488168180512, 3.39416850551708371573828865018, 3.86057666596427874811204502779, 4.84722791856217090025254412781, 6.44402599967673618578179383398, 7.40108037337879531411539373688, 8.091461724269971427524106378034, 8.462389405923698256162313115799, 9.380504436116473854535857372817

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