Properties

Label 2-345-1.1-c1-0-0
Degree $2$
Conductor $345$
Sign $1$
Analytic cond. $2.75483$
Root an. cond. $1.65977$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 2·4-s − 5-s + 7-s + 9-s + 4·11-s + 2·12-s + 15-s + 4·16-s + 5·17-s + 2·20-s − 21-s + 23-s + 25-s − 27-s − 2·28-s + 5·29-s + 3·31-s − 4·33-s − 35-s − 2·36-s − 5·37-s + 3·41-s − 4·43-s − 8·44-s − 45-s + 6·47-s + ⋯
L(s)  = 1  − 0.577·3-s − 4-s − 0.447·5-s + 0.377·7-s + 1/3·9-s + 1.20·11-s + 0.577·12-s + 0.258·15-s + 16-s + 1.21·17-s + 0.447·20-s − 0.218·21-s + 0.208·23-s + 1/5·25-s − 0.192·27-s − 0.377·28-s + 0.928·29-s + 0.538·31-s − 0.696·33-s − 0.169·35-s − 1/3·36-s − 0.821·37-s + 0.468·41-s − 0.609·43-s − 1.20·44-s − 0.149·45-s + 0.875·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 345 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 345 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(345\)    =    \(3 \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(2.75483\)
Root analytic conductor: \(1.65977\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 345,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9180584301\)
\(L(\frac12)\) \(\approx\) \(0.9180584301\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
5 \( 1 + T \)
23 \( 1 - T \)
good2 \( 1 + p T^{2} \)
7 \( 1 - T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 - 5 T + p T^{2} \)
19 \( 1 + p T^{2} \)
29 \( 1 - 5 T + p T^{2} \)
31 \( 1 - 3 T + p T^{2} \)
37 \( 1 + 5 T + p T^{2} \)
41 \( 1 - 3 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 + 3 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + 7 T + p T^{2} \)
71 \( 1 - 7 T + p T^{2} \)
73 \( 1 + 12 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + T + p T^{2} \)
89 \( 1 - 16 T + p T^{2} \)
97 \( 1 + 6 T + p T^{2} \)
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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

−11.75563198503866117977232289242, −10.54220297670747207171532732965, −9.686930432979919423719343062050, −8.721946943978868929572098933577, −7.84363943487410374278537021794, −6.65192775019186314723270629428, −5.46143282343266684921383536963, −4.51296358389313921281668173062, −3.53278255543219487448641156845, −1.06926450351732859500707528805, 1.06926450351732859500707528805, 3.53278255543219487448641156845, 4.51296358389313921281668173062, 5.46143282343266684921383536963, 6.65192775019186314723270629428, 7.84363943487410374278537021794, 8.721946943978868929572098933577, 9.686930432979919423719343062050, 10.54220297670747207171532732965, 11.75563198503866117977232289242

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