Properties

Label 2-847-1.1-c1-0-21
Degree $2$
Conductor $847$
Sign $-1$
Analytic cond. $6.76332$
Root an. cond. $2.60064$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3·3-s − 2·4-s − 5-s + 7-s + 6·9-s + 6·12-s + 4·13-s + 3·15-s + 4·16-s − 2·17-s + 6·19-s + 2·20-s − 3·21-s − 5·23-s − 4·25-s − 9·27-s − 2·28-s − 10·29-s + 31-s − 35-s − 12·36-s − 5·37-s − 12·39-s + 2·41-s + 8·43-s − 6·45-s + 8·47-s + ⋯
L(s)  = 1  − 1.73·3-s − 4-s − 0.447·5-s + 0.377·7-s + 2·9-s + 1.73·12-s + 1.10·13-s + 0.774·15-s + 16-s − 0.485·17-s + 1.37·19-s + 0.447·20-s − 0.654·21-s − 1.04·23-s − 4/5·25-s − 1.73·27-s − 0.377·28-s − 1.85·29-s + 0.179·31-s − 0.169·35-s − 2·36-s − 0.821·37-s − 1.92·39-s + 0.312·41-s + 1.21·43-s − 0.894·45-s + 1.16·47-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: yes
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 \( 1 + p T^{2} \)
3 \( 1 + p T + p T^{2} \)
5 \( 1 + T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 + 5 T + p T^{2} \)
29 \( 1 + 10 T + p T^{2} \)
31 \( 1 - T + p T^{2} \)
37 \( 1 + 5 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 3 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 3 T + p T^{2} \)
71 \( 1 - T + p T^{2} \)
73 \( 1 + 10 T + p T^{2} \)
79 \( 1 + 6 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 + 15 T + p T^{2} \)
97 \( 1 + 5 T + p T^{2} \)
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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

−9.901287739646014110658752080721, −9.057617126467774810255940907586, −7.956327480837723148155835866573, −7.17057178520211720164419084101, −5.80118601537640384820432803021, −5.58596676881303008604275522263, −4.39514744576497898862871693801, −3.79024025385094143595808125256, −1.32889476078570135837429482480, 0, 1.32889476078570135837429482480, 3.79024025385094143595808125256, 4.39514744576497898862871693801, 5.58596676881303008604275522263, 5.80118601537640384820432803021, 7.17057178520211720164419084101, 7.956327480837723148155835866573, 9.057617126467774810255940907586, 9.901287739646014110658752080721

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