Properties

Label 2-309-1.1-c1-0-11
Degree $2$
Conductor $309$
Sign $1$
Analytic cond. $2.46737$
Root an. cond. $1.57078$
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  + 2.26·2-s + 3-s + 3.12·4-s + 0.128·5-s + 2.26·6-s − 4.08·7-s + 2.54·8-s + 9-s + 0.291·10-s + 5.61·11-s + 3.12·12-s + 0.0956·13-s − 9.25·14-s + 0.128·15-s − 0.487·16-s − 0.474·17-s + 2.26·18-s − 0.856·19-s + 0.401·20-s − 4.08·21-s + 12.7·22-s − 7.09·23-s + 2.54·24-s − 4.98·25-s + 0.216·26-s + 27-s − 12.7·28-s + ⋯
L(s)  = 1  + 1.60·2-s + 0.577·3-s + 1.56·4-s + 0.0575·5-s + 0.924·6-s − 1.54·7-s + 0.899·8-s + 0.333·9-s + 0.0920·10-s + 1.69·11-s + 0.901·12-s + 0.0265·13-s − 2.47·14-s + 0.0332·15-s − 0.121·16-s − 0.115·17-s + 0.533·18-s − 0.196·19-s + 0.0898·20-s − 0.892·21-s + 2.70·22-s − 1.48·23-s + 0.519·24-s − 0.996·25-s + 0.0424·26-s + 0.192·27-s − 2.41·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 309 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 309 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(309\)    =    \(3 \cdot 103\)
Sign: $1$
Analytic conductor: \(2.46737\)
Root analytic conductor: \(1.57078\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 309,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.175277337\)
\(L(\frac12)\) \(\approx\) \(3.175277337\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
103 \( 1 + T \)
good2 \( 1 - 2.26T + 2T^{2} \)
5 \( 1 - 0.128T + 5T^{2} \)
7 \( 1 + 4.08T + 7T^{2} \)
11 \( 1 - 5.61T + 11T^{2} \)
13 \( 1 - 0.0956T + 13T^{2} \)
17 \( 1 + 0.474T + 17T^{2} \)
19 \( 1 + 0.856T + 19T^{2} \)
23 \( 1 + 7.09T + 23T^{2} \)
29 \( 1 + 8.11T + 29T^{2} \)
31 \( 1 - 1.18T + 31T^{2} \)
37 \( 1 - 2.27T + 37T^{2} \)
41 \( 1 - 7.00T + 41T^{2} \)
43 \( 1 - 9.38T + 43T^{2} \)
47 \( 1 - 13.0T + 47T^{2} \)
53 \( 1 + 8.43T + 53T^{2} \)
59 \( 1 - 1.87T + 59T^{2} \)
61 \( 1 - 0.225T + 61T^{2} \)
67 \( 1 + 1.49T + 67T^{2} \)
71 \( 1 - 3.47T + 71T^{2} \)
73 \( 1 - 10.8T + 73T^{2} \)
79 \( 1 - 14.5T + 79T^{2} \)
83 \( 1 + 4.25T + 83T^{2} \)
89 \( 1 + 0.891T + 89T^{2} \)
97 \( 1 - 1.89T + 97T^{2} \)
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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

−12.19417783492411400973483910487, −11.10601080396503027238459436795, −9.661035425888528503681356129204, −9.145600044786956960421655305312, −7.46588874861544502894590096886, −6.38048025993227925905309298594, −5.90395841096139971291941971381, −4.03733170385255415052832118868, −3.73184007156455556823388973218, −2.33347917820590274013982739812, 2.33347917820590274013982739812, 3.73184007156455556823388973218, 4.03733170385255415052832118868, 5.90395841096139971291941971381, 6.38048025993227925905309298594, 7.46588874861544502894590096886, 9.145600044786956960421655305312, 9.661035425888528503681356129204, 11.10601080396503027238459436795, 12.19417783492411400973483910487

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