Properties

Label 2-847-1.1-c1-0-22
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  − 1.46·2-s − 1.61·3-s + 0.151·4-s + 0.466·5-s + 2.37·6-s − 7-s + 2.71·8-s − 0.381·9-s − 0.684·10-s − 0.244·12-s − 1.58·13-s + 1.46·14-s − 0.755·15-s − 4.27·16-s + 5.22·17-s + 0.560·18-s + 4.22·19-s + 0.0706·20-s + 1.61·21-s − 1.80·23-s − 4.38·24-s − 4.78·25-s + 2.32·26-s + 5.47·27-s − 0.151·28-s + 2.71·29-s + 1.10·30-s + ⋯
L(s)  = 1  − 1.03·2-s − 0.934·3-s + 0.0756·4-s + 0.208·5-s + 0.968·6-s − 0.377·7-s + 0.958·8-s − 0.127·9-s − 0.216·10-s − 0.0706·12-s − 0.438·13-s + 0.392·14-s − 0.194·15-s − 1.06·16-s + 1.26·17-s + 0.132·18-s + 0.968·19-s + 0.0157·20-s + 0.353·21-s − 0.376·23-s − 0.895·24-s − 0.956·25-s + 0.455·26-s + 1.05·27-s − 0.0285·28-s + 0.504·29-s + 0.202·30-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 \( 1 + 1.46T + 2T^{2} \)
3 \( 1 + 1.61T + 3T^{2} \)
5 \( 1 - 0.466T + 5T^{2} \)
13 \( 1 + 1.58T + 13T^{2} \)
17 \( 1 - 5.22T + 17T^{2} \)
19 \( 1 - 4.22T + 19T^{2} \)
23 \( 1 + 1.80T + 23T^{2} \)
29 \( 1 - 2.71T + 29T^{2} \)
31 \( 1 - 1.29T + 31T^{2} \)
37 \( 1 + 1.94T + 37T^{2} \)
41 \( 1 + 1.04T + 41T^{2} \)
43 \( 1 - 8.70T + 43T^{2} \)
47 \( 1 + 6.39T + 47T^{2} \)
53 \( 1 + 13.2T + 53T^{2} \)
59 \( 1 + 8.60T + 59T^{2} \)
61 \( 1 + 15.2T + 61T^{2} \)
67 \( 1 + 4.67T + 67T^{2} \)
71 \( 1 - 9.74T + 71T^{2} \)
73 \( 1 + 13.3T + 73T^{2} \)
79 \( 1 - 3.58T + 79T^{2} \)
83 \( 1 + 17.2T + 83T^{2} \)
89 \( 1 + 8.91T + 89T^{2} \)
97 \( 1 + 2.70T + 97T^{2} \)
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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

−9.816501505665296633401546278856, −9.144237426943623050137023119607, −8.030747294252624175587094301623, −7.42699485073977247139322641823, −6.26804143142048033373876564038, −5.48971945751245451345386717577, −4.55209700600127555589984227864, −3.08026969869110380082253877438, −1.36241971555680570721513546093, 0, 1.36241971555680570721513546093, 3.08026969869110380082253877438, 4.55209700600127555589984227864, 5.48971945751245451345386717577, 6.26804143142048033373876564038, 7.42699485073977247139322641823, 8.030747294252624175587094301623, 9.144237426943623050137023119607, 9.816501505665296633401546278856

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