Properties

Label 2-847-1.1-c1-0-34
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  − 2.61·2-s + 0.618·3-s + 4.85·4-s + 5-s − 1.61·6-s + 7-s − 7.47·8-s − 2.61·9-s − 2.61·10-s + 3.00·12-s + 3.23·13-s − 2.61·14-s + 0.618·15-s + 9.85·16-s − 8.09·17-s + 6.85·18-s − 6.23·19-s + 4.85·20-s + 0.618·21-s − 6.09·23-s − 4.61·24-s − 4·25-s − 8.47·26-s − 3.47·27-s + 4.85·28-s − 2.38·29-s − 1.61·30-s + ⋯
L(s)  = 1  − 1.85·2-s + 0.356·3-s + 2.42·4-s + 0.447·5-s − 0.660·6-s + 0.377·7-s − 2.64·8-s − 0.872·9-s − 0.827·10-s + 0.866·12-s + 0.897·13-s − 0.699·14-s + 0.159·15-s + 2.46·16-s − 1.96·17-s + 1.61·18-s − 1.43·19-s + 1.08·20-s + 0.134·21-s − 1.26·23-s − 0.942·24-s − 0.800·25-s − 1.66·26-s − 0.668·27-s + 0.917·28-s − 0.442·29-s − 0.295·30-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 \( 1 + 2.61T + 2T^{2} \)
3 \( 1 - 0.618T + 3T^{2} \)
5 \( 1 - T + 5T^{2} \)
13 \( 1 - 3.23T + 13T^{2} \)
17 \( 1 + 8.09T + 17T^{2} \)
19 \( 1 + 6.23T + 19T^{2} \)
23 \( 1 + 6.09T + 23T^{2} \)
29 \( 1 + 2.38T + 29T^{2} \)
31 \( 1 - 0.236T + 31T^{2} \)
37 \( 1 + 2.47T + 37T^{2} \)
41 \( 1 - 11.1T + 41T^{2} \)
43 \( 1 - 7.56T + 43T^{2} \)
47 \( 1 + 4.38T + 47T^{2} \)
53 \( 1 + 4.61T + 53T^{2} \)
59 \( 1 + 0.0901T + 59T^{2} \)
61 \( 1 + 5.38T + 61T^{2} \)
67 \( 1 - 7.32T + 67T^{2} \)
71 \( 1 + 4.90T + 71T^{2} \)
73 \( 1 + 9.76T + 73T^{2} \)
79 \( 1 - 8.61T + 79T^{2} \)
83 \( 1 + 10.7T + 83T^{2} \)
89 \( 1 - 0.145T + 89T^{2} \)
97 \( 1 - 7T + 97T^{2} \)
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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

−9.482838818025454908029145363388, −8.876017411837362029824939682435, −8.366164039787206267798900311225, −7.61495633123750741670707522513, −6.39173109338585073287907499930, −5.97163257254285904479895135582, −4.11489933847878249489477622553, −2.48188325004143288463047994564, −1.85083387354783508676328934534, 0, 1.85083387354783508676328934534, 2.48188325004143288463047994564, 4.11489933847878249489477622553, 5.97163257254285904479895135582, 6.39173109338585073287907499930, 7.61495633123750741670707522513, 8.366164039787206267798900311225, 8.876017411837362029824939682435, 9.482838818025454908029145363388

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