Properties

Label 2-31e2-1.1-c1-0-12
Degree $2$
Conductor $961$
Sign $1$
Analytic cond. $7.67362$
Root an. cond. $2.77013$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.24·2-s − 2.67·3-s − 0.449·4-s + 2.61·5-s + 3.33·6-s + 1.20·7-s + 3.05·8-s + 4.17·9-s − 3.26·10-s + 4.39·11-s + 1.20·12-s + 1.21·13-s − 1.49·14-s − 7.01·15-s − 2.89·16-s − 3.65·17-s − 5.19·18-s + 6.42·19-s − 1.17·20-s − 3.22·21-s − 5.47·22-s − 3.94·23-s − 8.17·24-s + 1.85·25-s − 1.51·26-s − 3.14·27-s − 0.541·28-s + ⋯
L(s)  = 1  − 0.880·2-s − 1.54·3-s − 0.224·4-s + 1.17·5-s + 1.36·6-s + 0.455·7-s + 1.07·8-s + 1.39·9-s − 1.03·10-s + 1.32·11-s + 0.347·12-s + 0.337·13-s − 0.400·14-s − 1.81·15-s − 0.724·16-s − 0.887·17-s − 1.22·18-s + 1.47·19-s − 0.263·20-s − 0.704·21-s − 1.16·22-s − 0.822·23-s − 1.66·24-s + 0.371·25-s − 0.297·26-s − 0.605·27-s − 0.102·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 961 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 961 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(961\)    =    \(31^{2}\)
Sign: $1$
Analytic conductor: \(7.67362\)
Root analytic conductor: \(2.77013\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 961,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7488263852\)
\(L(\frac12)\) \(\approx\) \(0.7488263852\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad31 \( 1 \)
good2 \( 1 + 1.24T + 2T^{2} \)
3 \( 1 + 2.67T + 3T^{2} \)
5 \( 1 - 2.61T + 5T^{2} \)
7 \( 1 - 1.20T + 7T^{2} \)
11 \( 1 - 4.39T + 11T^{2} \)
13 \( 1 - 1.21T + 13T^{2} \)
17 \( 1 + 3.65T + 17T^{2} \)
19 \( 1 - 6.42T + 19T^{2} \)
23 \( 1 + 3.94T + 23T^{2} \)
29 \( 1 - 1.34T + 29T^{2} \)
37 \( 1 + 6.43T + 37T^{2} \)
41 \( 1 - 2.08T + 41T^{2} \)
43 \( 1 - 9.41T + 43T^{2} \)
47 \( 1 - 0.754T + 47T^{2} \)
53 \( 1 - 4.71T + 53T^{2} \)
59 \( 1 - 3.99T + 59T^{2} \)
61 \( 1 - 2.21T + 61T^{2} \)
67 \( 1 - 12.0T + 67T^{2} \)
71 \( 1 + 7.52T + 71T^{2} \)
73 \( 1 + 9.92T + 73T^{2} \)
79 \( 1 - 9.46T + 79T^{2} \)
83 \( 1 + 5.60T + 83T^{2} \)
89 \( 1 - 13.9T + 89T^{2} \)
97 \( 1 + 4.50T + 97T^{2} \)
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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

−9.981246691049411667677166778504, −9.379148537552071086282148752813, −8.629782968909435870905125194005, −7.38475284856362018486399424357, −6.53291440127388491136374789248, −5.77362662090925271482338345678, −5.00147968080813824806780557983, −4.04401794593612549614824122338, −1.81624023867207721185602335240, −0.911767111508828267462815132741, 0.911767111508828267462815132741, 1.81624023867207721185602335240, 4.04401794593612549614824122338, 5.00147968080813824806780557983, 5.77362662090925271482338345678, 6.53291440127388491136374789248, 7.38475284856362018486399424357, 8.629782968909435870905125194005, 9.379148537552071086282148752813, 9.981246691049411667677166778504

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