Properties

Label 2-309-1.1-c1-0-6
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  + 0.0344·2-s + 3-s − 1.99·4-s + 4.08·5-s + 0.0344·6-s − 0.0879·7-s − 0.137·8-s + 9-s + 0.140·10-s + 2.81·11-s − 1.99·12-s − 6.11·13-s − 0.00303·14-s + 4.08·15-s + 3.99·16-s + 0.723·17-s + 0.0344·18-s + 7.09·19-s − 8.16·20-s − 0.0879·21-s + 0.0969·22-s − 6.69·23-s − 0.137·24-s + 11.6·25-s − 0.210·26-s + 27-s + 0.175·28-s + ⋯
L(s)  = 1  + 0.0243·2-s + 0.577·3-s − 0.999·4-s + 1.82·5-s + 0.0140·6-s − 0.0332·7-s − 0.0487·8-s + 0.333·9-s + 0.0445·10-s + 0.847·11-s − 0.577·12-s − 1.69·13-s − 0.000811·14-s + 1.05·15-s + 0.998·16-s + 0.175·17-s + 0.00813·18-s + 1.62·19-s − 1.82·20-s − 0.0191·21-s + 0.0206·22-s − 1.39·23-s − 0.0281·24-s + 2.33·25-s − 0.0413·26-s + 0.192·27-s + 0.0332·28-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

\(L(1)\) \(\approx\) \(1.686235498\)
\(L(\frac12)\) \(\approx\) \(1.686235498\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.0344T + 2T^{2} \)
5 \( 1 - 4.08T + 5T^{2} \)
7 \( 1 + 0.0879T + 7T^{2} \)
11 \( 1 - 2.81T + 11T^{2} \)
13 \( 1 + 6.11T + 13T^{2} \)
17 \( 1 - 0.723T + 17T^{2} \)
19 \( 1 - 7.09T + 19T^{2} \)
23 \( 1 + 6.69T + 23T^{2} \)
29 \( 1 - 2.45T + 29T^{2} \)
31 \( 1 - 1.49T + 31T^{2} \)
37 \( 1 + 10.2T + 37T^{2} \)
41 \( 1 - 1.90T + 41T^{2} \)
43 \( 1 + 0.573T + 43T^{2} \)
47 \( 1 + 8.41T + 47T^{2} \)
53 \( 1 + 12.6T + 53T^{2} \)
59 \( 1 - 3.34T + 59T^{2} \)
61 \( 1 + 2.33T + 61T^{2} \)
67 \( 1 - 11.4T + 67T^{2} \)
71 \( 1 + 3.37T + 71T^{2} \)
73 \( 1 + 6.73T + 73T^{2} \)
79 \( 1 - 2.98T + 79T^{2} \)
83 \( 1 + 7.75T + 83T^{2} \)
89 \( 1 + 1.35T + 89T^{2} \)
97 \( 1 - 7.69T + 97T^{2} \)
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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

−11.98427709773554378798088924298, −10.13209822134002116797906512208, −9.722566638794428429013407439768, −9.239842798485422775344387605960, −8.051411603562587521436144390836, −6.77237720880125830628557985491, −5.56098230595533337849951791360, −4.74197477740014207165809648290, −3.13904709390568442311780919825, −1.68818962241488991577358890318, 1.68818962241488991577358890318, 3.13904709390568442311780919825, 4.74197477740014207165809648290, 5.56098230595533337849951791360, 6.77237720880125830628557985491, 8.051411603562587521436144390836, 9.239842798485422775344387605960, 9.722566638794428429013407439768, 10.13209822134002116797906512208, 11.98427709773554378798088924298

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