Properties

Label 2-847-1.1-c1-0-8
Degree $2$
Conductor $847$
Sign $1$
Analytic cond. $6.76332$
Root an. cond. $2.60064$
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  − 1.11·2-s − 2.85·3-s − 0.757·4-s + 3.45·5-s + 3.18·6-s − 7-s + 3.07·8-s + 5.17·9-s − 3.85·10-s + 2.16·12-s + 2.05·13-s + 1.11·14-s − 9.88·15-s − 1.90·16-s − 1.93·17-s − 5.76·18-s − 1.62·19-s − 2.61·20-s + 2.85·21-s − 0.807·23-s − 8.78·24-s + 6.94·25-s − 2.29·26-s − 6.21·27-s + 0.757·28-s − 7.97·29-s + 11.0·30-s + ⋯
L(s)  = 1  − 0.788·2-s − 1.65·3-s − 0.378·4-s + 1.54·5-s + 1.30·6-s − 0.377·7-s + 1.08·8-s + 1.72·9-s − 1.21·10-s + 0.625·12-s + 0.571·13-s + 0.297·14-s − 2.55·15-s − 0.477·16-s − 0.468·17-s − 1.35·18-s − 0.372·19-s − 0.585·20-s + 0.623·21-s − 0.168·23-s − 1.79·24-s + 1.38·25-s − 0.450·26-s − 1.19·27-s + 0.143·28-s − 1.48·29-s + 2.01·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 847 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 847 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(847\)    =    \(7 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(6.76332\)
Root analytic conductor: \(2.60064\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 847,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6092613866\)
\(L(\frac12)\) \(\approx\) \(0.6092613866\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + T \)
11 \( 1 \)
good2 \( 1 + 1.11T + 2T^{2} \)
3 \( 1 + 2.85T + 3T^{2} \)
5 \( 1 - 3.45T + 5T^{2} \)
13 \( 1 - 2.05T + 13T^{2} \)
17 \( 1 + 1.93T + 17T^{2} \)
19 \( 1 + 1.62T + 19T^{2} \)
23 \( 1 + 0.807T + 23T^{2} \)
29 \( 1 + 7.97T + 29T^{2} \)
31 \( 1 - 0.788T + 31T^{2} \)
37 \( 1 - 10.0T + 37T^{2} \)
41 \( 1 - 2.12T + 41T^{2} \)
43 \( 1 + 3.08T + 43T^{2} \)
47 \( 1 - 7.56T + 47T^{2} \)
53 \( 1 - 10.8T + 53T^{2} \)
59 \( 1 + 3.29T + 59T^{2} \)
61 \( 1 - 1.07T + 61T^{2} \)
67 \( 1 - 2.40T + 67T^{2} \)
71 \( 1 + 3.18T + 71T^{2} \)
73 \( 1 + 1.22T + 73T^{2} \)
79 \( 1 - 9.48T + 79T^{2} \)
83 \( 1 - 16.0T + 83T^{2} \)
89 \( 1 + 4.43T + 89T^{2} \)
97 \( 1 - 6.46T + 97T^{2} \)
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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

−10.22762843717305098949656353011, −9.496292920262044279212566798587, −8.875997782079879873038440174491, −7.52505839969330843603007683156, −6.48027400970915001598558460340, −5.90120331146382611749777341988, −5.16757058580961964353084090483, −4.12924256022665375678569056577, −2.01822243941629311599746089729, −0.792427191380879192946873505470, 0.792427191380879192946873505470, 2.01822243941629311599746089729, 4.12924256022665375678569056577, 5.16757058580961964353084090483, 5.90120331146382611749777341988, 6.48027400970915001598558460340, 7.52505839969330843603007683156, 8.875997782079879873038440174491, 9.496292920262044279212566798587, 10.22762843717305098949656353011

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