Properties

Label 2-847-1.1-c1-0-30
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  − 0.381·2-s − 1.61·3-s − 1.85·4-s + 5-s + 0.618·6-s + 7-s + 1.47·8-s − 0.381·9-s − 0.381·10-s + 3·12-s − 1.23·13-s − 0.381·14-s − 1.61·15-s + 3.14·16-s + 3.09·17-s + 0.145·18-s − 1.76·19-s − 1.85·20-s − 1.61·21-s + 5.09·23-s − 2.38·24-s − 4·25-s + 0.472·26-s + 5.47·27-s − 1.85·28-s − 4.61·29-s + 0.618·30-s + ⋯
L(s)  = 1  − 0.270·2-s − 0.934·3-s − 0.927·4-s + 0.447·5-s + 0.252·6-s + 0.377·7-s + 0.520·8-s − 0.127·9-s − 0.120·10-s + 0.866·12-s − 0.342·13-s − 0.102·14-s − 0.417·15-s + 0.786·16-s + 0.749·17-s + 0.0343·18-s − 0.404·19-s − 0.414·20-s − 0.353·21-s + 1.06·23-s − 0.486·24-s − 0.800·25-s + 0.0925·26-s + 1.05·27-s − 0.350·28-s − 0.857·29-s + 0.112·30-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 \( 1 + 0.381T + 2T^{2} \)
3 \( 1 + 1.61T + 3T^{2} \)
5 \( 1 - T + 5T^{2} \)
13 \( 1 + 1.23T + 13T^{2} \)
17 \( 1 - 3.09T + 17T^{2} \)
19 \( 1 + 1.76T + 19T^{2} \)
23 \( 1 - 5.09T + 23T^{2} \)
29 \( 1 + 4.61T + 29T^{2} \)
31 \( 1 + 4.23T + 31T^{2} \)
37 \( 1 - 6.47T + 37T^{2} \)
41 \( 1 + 11.1T + 41T^{2} \)
43 \( 1 + 12.5T + 43T^{2} \)
47 \( 1 + 6.61T + 47T^{2} \)
53 \( 1 + 2.38T + 53T^{2} \)
59 \( 1 - 11.0T + 59T^{2} \)
61 \( 1 + 7.61T + 61T^{2} \)
67 \( 1 + 8.32T + 67T^{2} \)
71 \( 1 + 16.0T + 71T^{2} \)
73 \( 1 + 14.2T + 73T^{2} \)
79 \( 1 - 6.38T + 79T^{2} \)
83 \( 1 - 2.70T + 83T^{2} \)
89 \( 1 - 6.85T + 89T^{2} \)
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

−9.865078960704782089208818551945, −8.984160913290049994533083852919, −8.191099614969721863271154062532, −7.22059825385241821925502660797, −6.05112249494461483758841946808, −5.30398997807561911981799181329, −4.67318066006327461208361749261, −3.33236426741763899825414396496, −1.55579214088232074399455203926, 0, 1.55579214088232074399455203926, 3.33236426741763899825414396496, 4.67318066006327461208361749261, 5.30398997807561911981799181329, 6.05112249494461483758841946808, 7.22059825385241821925502660797, 8.191099614969721863271154062532, 8.984160913290049994533083852919, 9.865078960704782089208818551945

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