Properties

Label 2-309-1.1-c1-0-14
Degree $2$
Conductor $309$
Sign $-1$
Analytic cond. $2.46737$
Root an. cond. $1.57078$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 3-s − 4-s − 5-s − 6-s − 2·7-s + 3·8-s + 9-s + 10-s − 2·11-s − 12-s − 5·13-s + 2·14-s − 15-s − 16-s − 18-s − 8·19-s + 20-s − 2·21-s + 2·22-s + 23-s + 3·24-s − 4·25-s + 5·26-s + 27-s + 2·28-s − 2·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.577·3-s − 1/2·4-s − 0.447·5-s − 0.408·6-s − 0.755·7-s + 1.06·8-s + 1/3·9-s + 0.316·10-s − 0.603·11-s − 0.288·12-s − 1.38·13-s + 0.534·14-s − 0.258·15-s − 1/4·16-s − 0.235·18-s − 1.83·19-s + 0.223·20-s − 0.436·21-s + 0.426·22-s + 0.208·23-s + 0.612·24-s − 4/5·25-s + 0.980·26-s + 0.192·27-s + 0.377·28-s − 0.371·29-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 309,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
103 \( 1 - T \)
good2 \( 1 + T + p T^{2} \)
5 \( 1 + T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + 5 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + 8 T + p T^{2} \)
23 \( 1 - T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
43 \( 1 + 11 T + p T^{2} \)
47 \( 1 + 2 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 + 11 T + p T^{2} \)
61 \( 1 + 5 T + p T^{2} \)
67 \( 1 - 11 T + p T^{2} \)
71 \( 1 - 16 T + p T^{2} \)
73 \( 1 - 12 T + p T^{2} \)
79 \( 1 - 6 T + p T^{2} \)
83 \( 1 - T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 7 T + p T^{2} \)
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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

−10.91310650137248910674296433054, −9.977343219212868982373122074796, −9.436339287145902394867629318382, −8.332830558753638476775725397728, −7.73611775760879899497175825486, −6.61986708268418450593402445280, −4.94768257430313977239388435598, −3.90959883042434151888908819851, −2.38565174811414294967341065866, 0, 2.38565174811414294967341065866, 3.90959883042434151888908819851, 4.94768257430313977239388435598, 6.61986708268418450593402445280, 7.73611775760879899497175825486, 8.332830558753638476775725397728, 9.436339287145902394867629318382, 9.977343219212868982373122074796, 10.91310650137248910674296433054

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