Properties

Label 2-847-1.1-c1-0-54
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  + 1.77·2-s + 0.618·3-s + 1.15·4-s − 2.77·5-s + 1.09·6-s − 7-s − 1.49·8-s − 2.61·9-s − 4.93·10-s + 0.716·12-s − 4.29·13-s − 1.77·14-s − 1.71·15-s − 4.97·16-s − 2.75·17-s − 4.65·18-s + 1.93·19-s − 3.22·20-s − 0.618·21-s + 4.37·23-s − 0.923·24-s + 2.71·25-s − 7.63·26-s − 3.47·27-s − 1.15·28-s + 8.62·29-s − 3.05·30-s + ⋯
L(s)  = 1  + 1.25·2-s + 0.356·3-s + 0.579·4-s − 1.24·5-s + 0.448·6-s − 0.377·7-s − 0.528·8-s − 0.872·9-s − 1.56·10-s + 0.206·12-s − 1.19·13-s − 0.475·14-s − 0.443·15-s − 1.24·16-s − 0.668·17-s − 1.09·18-s + 0.444·19-s − 0.720·20-s − 0.134·21-s + 0.911·23-s − 0.188·24-s + 0.542·25-s − 1.49·26-s − 0.668·27-s − 0.219·28-s + 1.60·29-s − 0.557·30-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 \( 1 - 1.77T + 2T^{2} \)
3 \( 1 - 0.618T + 3T^{2} \)
5 \( 1 + 2.77T + 5T^{2} \)
13 \( 1 + 4.29T + 13T^{2} \)
17 \( 1 + 2.75T + 17T^{2} \)
19 \( 1 - 1.93T + 19T^{2} \)
23 \( 1 - 4.37T + 23T^{2} \)
29 \( 1 - 8.62T + 29T^{2} \)
31 \( 1 + 0.200T + 31T^{2} \)
37 \( 1 - 1.03T + 37T^{2} \)
41 \( 1 - 9.60T + 41T^{2} \)
43 \( 1 + 4.70T + 43T^{2} \)
47 \( 1 + 13.0T + 47T^{2} \)
53 \( 1 + 3.90T + 53T^{2} \)
59 \( 1 + 8.55T + 59T^{2} \)
61 \( 1 + 0.988T + 61T^{2} \)
67 \( 1 + 5.41T + 67T^{2} \)
71 \( 1 + 2.01T + 71T^{2} \)
73 \( 1 + 9.97T + 73T^{2} \)
79 \( 1 - 6.29T + 79T^{2} \)
83 \( 1 + 1.72T + 83T^{2} \)
89 \( 1 + 15.3T + 89T^{2} \)
97 \( 1 - 11.6T + 97T^{2} \)
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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

−9.673579831401046306610646814365, −8.845631215769053853261025126617, −7.993850797990009419175843052472, −7.07020885529818200153623587940, −6.16002940221313045693049134577, −4.99288868020271546047632544258, −4.38942106381888037765767415338, −3.25712326342724889913944253506, −2.72754363924799721330696989366, 0, 2.72754363924799721330696989366, 3.25712326342724889913944253506, 4.38942106381888037765767415338, 4.99288868020271546047632544258, 6.16002940221313045693049134577, 7.07020885529818200153623587940, 7.993850797990009419175843052472, 8.845631215769053853261025126617, 9.673579831401046306610646814365

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