Properties

Label 2-1805-1.1-c1-0-102
Degree $2$
Conductor $1805$
Sign $-1$
Analytic cond. $14.4129$
Root an. cond. $3.79644$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.48·2-s − 0.806·3-s + 0.193·4-s + 5-s − 1.19·6-s + 3.35·7-s − 2.67·8-s − 2.35·9-s + 1.48·10-s + 0.962·11-s − 0.156·12-s − 6.15·13-s + 4.96·14-s − 0.806·15-s − 4.35·16-s − 6.31·17-s − 3.48·18-s + 0.193·20-s − 2.70·21-s + 1.42·22-s − 4.96·23-s + 2.15·24-s + 25-s − 9.11·26-s + 4.31·27-s + 0.649·28-s + 3.61·29-s + ⋯
L(s)  = 1  + 1.04·2-s − 0.465·3-s + 0.0969·4-s + 0.447·5-s − 0.487·6-s + 1.26·7-s − 0.945·8-s − 0.783·9-s + 0.468·10-s + 0.290·11-s − 0.0451·12-s − 1.70·13-s + 1.32·14-s − 0.208·15-s − 1.08·16-s − 1.53·17-s − 0.820·18-s + 0.0433·20-s − 0.589·21-s + 0.303·22-s − 1.03·23-s + 0.440·24-s + 0.200·25-s − 1.78·26-s + 0.829·27-s + 0.122·28-s + 0.670·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $-1$
Analytic conductor: \(14.4129\)
Root analytic conductor: \(3.79644\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ -1)\)

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)$
bad5 \( 1 - T \)
19 \( 1 \)
good2 \( 1 - 1.48T + 2T^{2} \)
3 \( 1 + 0.806T + 3T^{2} \)
7 \( 1 - 3.35T + 7T^{2} \)
11 \( 1 - 0.962T + 11T^{2} \)
13 \( 1 + 6.15T + 13T^{2} \)
17 \( 1 + 6.31T + 17T^{2} \)
23 \( 1 + 4.96T + 23T^{2} \)
29 \( 1 - 3.61T + 29T^{2} \)
31 \( 1 - 5.92T + 31T^{2} \)
37 \( 1 + 10.1T + 37T^{2} \)
41 \( 1 + 6.31T + 41T^{2} \)
43 \( 1 + 4.12T + 43T^{2} \)
47 \( 1 - 3.35T + 47T^{2} \)
53 \( 1 + 1.84T + 53T^{2} \)
59 \( 1 - 6.38T + 59T^{2} \)
61 \( 1 + 11.2T + 61T^{2} \)
67 \( 1 - 6.73T + 67T^{2} \)
71 \( 1 - 0.775T + 71T^{2} \)
73 \( 1 - 0.387T + 73T^{2} \)
79 \( 1 - 0.836T + 79T^{2} \)
83 \( 1 + 7.03T + 83T^{2} \)
89 \( 1 + 7.08T + 89T^{2} \)
97 \( 1 + 10.9T + 97T^{2} \)
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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

−8.741488182179802411891779369527, −8.236747877458502880972218563054, −6.95957766360209462210433611972, −6.29163973249267397555312246026, −5.28758272653998832749733334942, −4.91273576994596829960743754554, −4.22263555712455594619058378623, −2.83322733373077250201977697912, −1.99045121995822957078731390562, 0, 1.99045121995822957078731390562, 2.83322733373077250201977697912, 4.22263555712455594619058378623, 4.91273576994596829960743754554, 5.28758272653998832749733334942, 6.29163973249267397555312246026, 6.95957766360209462210433611972, 8.236747877458502880972218563054, 8.741488182179802411891779369527

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