Properties

Label 2-209-1.1-c1-0-4
Degree $2$
Conductor $209$
Sign $1$
Analytic cond. $1.66887$
Root an. cond. $1.29184$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.61·2-s + 1.19·3-s + 4.82·4-s + 4.07·5-s − 3.12·6-s + 3.61·7-s − 7.39·8-s − 1.56·9-s − 10.6·10-s − 11-s + 5.77·12-s − 1.47·13-s − 9.45·14-s + 4.87·15-s + 9.66·16-s − 3.27·17-s + 4.10·18-s + 19-s + 19.6·20-s + 4.32·21-s + 2.61·22-s − 7.45·23-s − 8.84·24-s + 11.6·25-s + 3.86·26-s − 5.46·27-s + 17.4·28-s + ⋯
L(s)  = 1  − 1.84·2-s + 0.690·3-s + 2.41·4-s + 1.82·5-s − 1.27·6-s + 1.36·7-s − 2.61·8-s − 0.523·9-s − 3.36·10-s − 0.301·11-s + 1.66·12-s − 0.410·13-s − 2.52·14-s + 1.25·15-s + 2.41·16-s − 0.793·17-s + 0.966·18-s + 0.229·19-s + 4.40·20-s + 0.944·21-s + 0.557·22-s − 1.55·23-s − 1.80·24-s + 2.32·25-s + 0.757·26-s − 1.05·27-s + 3.30·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 209 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 209 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(209\)    =    \(11 \cdot 19\)
Sign: $1$
Analytic conductor: \(1.66887\)
Root analytic conductor: \(1.29184\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 209,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9090106961\)
\(L(\frac12)\) \(\approx\) \(0.9090106961\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad11 \( 1 + T \)
19 \( 1 - T \)
good2 \( 1 + 2.61T + 2T^{2} \)
3 \( 1 - 1.19T + 3T^{2} \)
5 \( 1 - 4.07T + 5T^{2} \)
7 \( 1 - 3.61T + 7T^{2} \)
13 \( 1 + 1.47T + 13T^{2} \)
17 \( 1 + 3.27T + 17T^{2} \)
23 \( 1 + 7.45T + 23T^{2} \)
29 \( 1 - 1.02T + 29T^{2} \)
31 \( 1 - 1.64T + 31T^{2} \)
37 \( 1 + 6.71T + 37T^{2} \)
41 \( 1 + 3.92T + 41T^{2} \)
43 \( 1 - 5.38T + 43T^{2} \)
47 \( 1 + 3.71T + 47T^{2} \)
53 \( 1 + 0.102T + 53T^{2} \)
59 \( 1 - 13.2T + 59T^{2} \)
61 \( 1 + 6.49T + 61T^{2} \)
67 \( 1 + 3.70T + 67T^{2} \)
71 \( 1 - 6.32T + 71T^{2} \)
73 \( 1 + 1.37T + 73T^{2} \)
79 \( 1 - 13.6T + 79T^{2} \)
83 \( 1 - 5.44T + 83T^{2} \)
89 \( 1 - 12.1T + 89T^{2} \)
97 \( 1 + 13.7T + 97T^{2} \)
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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

−11.97346819375939427866831060834, −10.91777465262375145779190572583, −10.15033492401553141639253930737, −9.326062409880506864726372491087, −8.565913160388211801843917993779, −7.83985106599742827476942966363, −6.52130790402011248370966936784, −5.35883619559174249974714204608, −2.44642084002183667295276153334, −1.79382865408832722659243733553, 1.79382865408832722659243733553, 2.44642084002183667295276153334, 5.35883619559174249974714204608, 6.52130790402011248370966936784, 7.83985106599742827476942966363, 8.565913160388211801843917993779, 9.326062409880506864726372491087, 10.15033492401553141639253930737, 10.91777465262375145779190572583, 11.97346819375939427866831060834

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