Properties

Label 2-847-1.1-c1-0-44
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  + 2.23·2-s + 3.23·3-s + 3.00·4-s − 2·5-s + 7.23·6-s − 7-s + 2.23·8-s + 7.47·9-s − 4.47·10-s + 9.70·12-s + 1.23·13-s − 2.23·14-s − 6.47·15-s − 0.999·16-s − 1.23·17-s + 16.7·18-s + 2.47·19-s − 6.00·20-s − 3.23·21-s − 6.47·23-s + 7.23·24-s − 25-s + 2.76·26-s + 14.4·27-s − 3.00·28-s + 0.472·29-s − 14.4·30-s + ⋯
L(s)  = 1  + 1.58·2-s + 1.86·3-s + 1.50·4-s − 0.894·5-s + 2.95·6-s − 0.377·7-s + 0.790·8-s + 2.49·9-s − 1.41·10-s + 2.80·12-s + 0.342·13-s − 0.597·14-s − 1.67·15-s − 0.249·16-s − 0.299·17-s + 3.93·18-s + 0.567·19-s − 1.34·20-s − 0.706·21-s − 1.34·23-s + 1.47·24-s − 0.200·25-s + 0.542·26-s + 2.78·27-s − 0.566·28-s + 0.0876·29-s − 2.64·30-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

\(L(1)\) \(\approx\) \(5.491980419\)
\(L(\frac12)\) \(\approx\) \(5.491980419\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.23T + 2T^{2} \)
3 \( 1 - 3.23T + 3T^{2} \)
5 \( 1 + 2T + 5T^{2} \)
13 \( 1 - 1.23T + 13T^{2} \)
17 \( 1 + 1.23T + 17T^{2} \)
19 \( 1 - 2.47T + 19T^{2} \)
23 \( 1 + 6.47T + 23T^{2} \)
29 \( 1 - 0.472T + 29T^{2} \)
31 \( 1 + 7.23T + 31T^{2} \)
37 \( 1 - 0.472T + 37T^{2} \)
41 \( 1 - 6.76T + 41T^{2} \)
43 \( 1 + 8T + 43T^{2} \)
47 \( 1 - 7.23T + 47T^{2} \)
53 \( 1 - 8.47T + 53T^{2} \)
59 \( 1 - 3.23T + 59T^{2} \)
61 \( 1 - 2.76T + 61T^{2} \)
67 \( 1 - 5.52T + 67T^{2} \)
71 \( 1 + 1.52T + 71T^{2} \)
73 \( 1 - 5.23T + 73T^{2} \)
79 \( 1 + 8.94T + 79T^{2} \)
83 \( 1 + 15.4T + 83T^{2} \)
89 \( 1 - 2T + 89T^{2} \)
97 \( 1 + 9.41T + 97T^{2} \)
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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

−10.12744876500144464788196484574, −9.206898918982978717854410006184, −8.373153793701193823380921420216, −7.54437522294824709733315678152, −6.85715686390204089288574399966, −5.61602026165701610778152191681, −4.20651261851967623040218397968, −3.86495272572844463894201598106, −3.05974560341504513758900019586, −2.07343715541762429773329398531, 2.07343715541762429773329398531, 3.05974560341504513758900019586, 3.86495272572844463894201598106, 4.20651261851967623040218397968, 5.61602026165701610778152191681, 6.85715686390204089288574399966, 7.54437522294824709733315678152, 8.373153793701193823380921420216, 9.206898918982978717854410006184, 10.12744876500144464788196484574

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