Properties

Label 2-847-1.1-c1-0-45
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.823·2-s − 0.960·3-s − 1.32·4-s + 2.98·5-s − 0.791·6-s − 7-s − 2.73·8-s − 2.07·9-s + 2.45·10-s + 1.26·12-s − 2.20·13-s − 0.823·14-s − 2.86·15-s + 0.390·16-s − 4.40·17-s − 1.71·18-s + 1.72·19-s − 3.94·20-s + 0.960·21-s − 8.39·23-s + 2.62·24-s + 3.91·25-s − 1.81·26-s + 4.87·27-s + 1.32·28-s − 3.29·29-s − 2.36·30-s + ⋯
L(s)  = 1  + 0.582·2-s − 0.554·3-s − 0.660·4-s + 1.33·5-s − 0.322·6-s − 0.377·7-s − 0.967·8-s − 0.692·9-s + 0.777·10-s + 0.366·12-s − 0.610·13-s − 0.220·14-s − 0.740·15-s + 0.0976·16-s − 1.06·17-s − 0.403·18-s + 0.395·19-s − 0.882·20-s + 0.209·21-s − 1.75·23-s + 0.536·24-s + 0.782·25-s − 0.355·26-s + 0.938·27-s + 0.249·28-s − 0.611·29-s − 0.431·30-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: \(1\)
Selberg data: \((2,\ 847,\ (\ :1/2),\ -1)\)

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)$
bad7 \( 1 + T \)
11 \( 1 \)
good2 \( 1 - 0.823T + 2T^{2} \)
3 \( 1 + 0.960T + 3T^{2} \)
5 \( 1 - 2.98T + 5T^{2} \)
13 \( 1 + 2.20T + 13T^{2} \)
17 \( 1 + 4.40T + 17T^{2} \)
19 \( 1 - 1.72T + 19T^{2} \)
23 \( 1 + 8.39T + 23T^{2} \)
29 \( 1 + 3.29T + 29T^{2} \)
31 \( 1 - 7.47T + 31T^{2} \)
37 \( 1 + 8.78T + 37T^{2} \)
41 \( 1 + 5.39T + 41T^{2} \)
43 \( 1 + 9.44T + 43T^{2} \)
47 \( 1 + 5.39T + 47T^{2} \)
53 \( 1 - 9.39T + 53T^{2} \)
59 \( 1 - 3.47T + 59T^{2} \)
61 \( 1 + 12.9T + 61T^{2} \)
67 \( 1 - 4.32T + 67T^{2} \)
71 \( 1 - 4.40T + 71T^{2} \)
73 \( 1 + 14.7T + 73T^{2} \)
79 \( 1 - 7.18T + 79T^{2} \)
83 \( 1 + 7.63T + 83T^{2} \)
89 \( 1 - 10.8T + 89T^{2} \)
97 \( 1 - 2.85T + 97T^{2} \)
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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

−9.896664492318080218068868247290, −9.043313033510566361232860348848, −8.283740362226492597565048252640, −6.72028297305541500841957948675, −6.04679643375846784297203083097, −5.39191367522529546264150136695, −4.60946958450508369006429540874, −3.28453108231070537346553490791, −2.10000486205875759830003682145, 0, 2.10000486205875759830003682145, 3.28453108231070537346553490791, 4.60946958450508369006429540874, 5.39191367522529546264150136695, 6.04679643375846784297203083097, 6.72028297305541500841957948675, 8.283740362226492597565048252640, 9.043313033510566361232860348848, 9.896664492318080218068868247290

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