Properties

Label 2-837-1.1-c1-0-24
Degree $2$
Conductor $837$
Sign $-1$
Analytic cond. $6.68347$
Root an. cond. $2.58524$
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  − 2.19·2-s + 2.83·4-s + 0.364·5-s + 3.03·7-s − 1.83·8-s − 0.801·10-s − 3.36·11-s − 4.66·13-s − 6.66·14-s − 1.63·16-s − 7.83·17-s + 3.46·19-s + 1.03·20-s + 7.39·22-s + 6.23·23-s − 4.86·25-s + 10.2·26-s + 8.59·28-s − 8.79·29-s + 31-s + 7.26·32-s + 17.2·34-s + 1.10·35-s + 1.86·37-s − 7.62·38-s − 0.668·40-s + 5.86·41-s + ⋯
L(s)  = 1  − 1.55·2-s + 1.41·4-s + 0.162·5-s + 1.14·7-s − 0.648·8-s − 0.253·10-s − 1.01·11-s − 1.29·13-s − 1.78·14-s − 0.408·16-s − 1.90·17-s + 0.796·19-s + 0.230·20-s + 1.57·22-s + 1.29·23-s − 0.973·25-s + 2.01·26-s + 1.62·28-s − 1.63·29-s + 0.179·31-s + 1.28·32-s + 2.95·34-s + 0.186·35-s + 0.306·37-s − 1.23·38-s − 0.105·40-s + 0.916·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 837 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 837 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(837\)    =    \(3^{3} \cdot 31\)
Sign: $-1$
Analytic conductor: \(6.68347\)
Root analytic conductor: \(2.58524\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 837,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
31 \( 1 - T \)
good2 \( 1 + 2.19T + 2T^{2} \)
5 \( 1 - 0.364T + 5T^{2} \)
7 \( 1 - 3.03T + 7T^{2} \)
11 \( 1 + 3.36T + 11T^{2} \)
13 \( 1 + 4.66T + 13T^{2} \)
17 \( 1 + 7.83T + 17T^{2} \)
19 \( 1 - 3.46T + 19T^{2} \)
23 \( 1 - 6.23T + 23T^{2} \)
29 \( 1 + 8.79T + 29T^{2} \)
37 \( 1 - 1.86T + 37T^{2} \)
41 \( 1 - 5.86T + 41T^{2} \)
43 \( 1 + 8.93T + 43T^{2} \)
47 \( 1 - 1.03T + 47T^{2} \)
53 \( 1 + 6.66T + 53T^{2} \)
59 \( 1 - 2.43T + 59T^{2} \)
61 \( 1 + 11.6T + 61T^{2} \)
67 \( 1 + 5.09T + 67T^{2} \)
71 \( 1 - 4.46T + 71T^{2} \)
73 \( 1 - 7.79T + 73T^{2} \)
79 \( 1 - 0.177T + 79T^{2} \)
83 \( 1 + 8.33T + 83T^{2} \)
89 \( 1 - 8.73T + 89T^{2} \)
97 \( 1 - 7.33T + 97T^{2} \)
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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

−9.541614166561680264564464962142, −9.107029799273595636647711239081, −8.011044114076593979000234140113, −7.61012443681847080959431505390, −6.77150987436833601208467121007, −5.30723597724125114556483716154, −4.55796904433071459449645841423, −2.58738001748622867373060222373, −1.73677759593141191973907963776, 0, 1.73677759593141191973907963776, 2.58738001748622867373060222373, 4.55796904433071459449645841423, 5.30723597724125114556483716154, 6.77150987436833601208467121007, 7.61012443681847080959431505390, 8.011044114076593979000234140113, 9.107029799273595636647711239081, 9.541614166561680264564464962142

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