Properties

Label 2-847-77.76-c1-0-47
Degree $2$
Conductor $847$
Sign $0.857 + 0.514i$
Analytic cond. $6.76332$
Root an. cond. $2.60064$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.517i·2-s + 1.73·4-s − 3.31i·5-s + (2.34 − 1.22i)7-s + 1.93i·8-s + 3·9-s + 1.71·10-s − 1.71·13-s + (0.633 + 1.21i)14-s + 2.46·16-s − 6.40·17-s + 1.55i·18-s + 4.69·19-s − 5.74i·20-s − 1.26·23-s + ⋯
L(s)  = 1  + 0.366i·2-s + 0.866·4-s − 1.48i·5-s + (0.886 − 0.462i)7-s + 0.683i·8-s + 9-s + 0.542·10-s − 0.476·13-s + (0.169 + 0.324i)14-s + 0.616·16-s − 1.55·17-s + 0.366i·18-s + 1.07·19-s − 1.28i·20-s − 0.264·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 847 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.857 + 0.514i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 847 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.857 + 0.514i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(847\)    =    \(7 \cdot 11^{2}\)
Sign: $0.857 + 0.514i$
Analytic conductor: \(6.76332\)
Root analytic conductor: \(2.60064\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{847} (846, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 847,\ (\ :1/2),\ 0.857 + 0.514i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.11117 - 0.584344i\)
\(L(\frac12)\) \(\approx\) \(2.11117 - 0.584344i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (-2.34 + 1.22i)T \)
11 \( 1 \)
good2 \( 1 - 0.517iT - 2T^{2} \)
3 \( 1 - 3T^{2} \)
5 \( 1 + 3.31iT - 5T^{2} \)
13 \( 1 + 1.71T + 13T^{2} \)
17 \( 1 + 6.40T + 17T^{2} \)
19 \( 1 - 4.69T + 19T^{2} \)
23 \( 1 + 1.26T + 23T^{2} \)
29 \( 1 - 6.17iT - 29T^{2} \)
31 \( 1 + 9.06iT - 31T^{2} \)
37 \( 1 + 8.46T + 37T^{2} \)
41 \( 1 - 1.71T + 41T^{2} \)
43 \( 1 + 5.93iT - 43T^{2} \)
47 \( 1 - 9.06iT - 47T^{2} \)
53 \( 1 - 3.92T + 53T^{2} \)
59 \( 1 - 6.63iT - 59T^{2} \)
61 \( 1 - 8.12T + 61T^{2} \)
67 \( 1 - 7.66T + 67T^{2} \)
71 \( 1 + 7.46T + 71T^{2} \)
73 \( 1 + 4.69T + 73T^{2} \)
79 \( 1 - 9.14iT - 79T^{2} \)
83 \( 1 + 9.38T + 83T^{2} \)
89 \( 1 - 5.74iT - 89T^{2} \)
97 \( 1 - 8.17iT - 97T^{2} \)
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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

−10.11323185526371426231772634427, −9.127381475212075485819632331797, −8.335661813160798042063173162380, −7.47709103756953107769331947466, −6.91845285757839282900342130569, −5.57223195729416551018294333097, −4.84674441248610916358285955097, −4.03814932450991213324232421241, −2.15439062454151339559702459898, −1.18946701198994881191402208424, 1.77203356763031668770602929452, 2.55381067821782974734638119446, 3.61721424788070023072287814198, 4.85443243872610256986894827297, 6.12851745785362253612356608856, 7.06493499417281079453745072632, 7.29616033240245354364330337390, 8.517898924533316201577906432537, 9.824049060550355470396865767739, 10.36162281375745238154908262211

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