Properties

Label 2-1805-1.1-c1-0-23
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.22·2-s + 1.03·3-s + 2.94·4-s + 5-s − 2.30·6-s − 2.02·7-s − 2.09·8-s − 1.92·9-s − 2.22·10-s + 0.0848·11-s + 3.04·12-s + 5.72·13-s + 4.50·14-s + 1.03·15-s − 1.23·16-s − 2.53·17-s + 4.27·18-s + 2.94·20-s − 2.10·21-s − 0.188·22-s − 0.309·23-s − 2.16·24-s + 25-s − 12.7·26-s − 5.10·27-s − 5.95·28-s + 2.62·29-s + ⋯
L(s)  = 1  − 1.57·2-s + 0.598·3-s + 1.47·4-s + 0.447·5-s − 0.941·6-s − 0.765·7-s − 0.739·8-s − 0.641·9-s − 0.702·10-s + 0.0255·11-s + 0.880·12-s + 1.58·13-s + 1.20·14-s + 0.267·15-s − 0.308·16-s − 0.613·17-s + 1.00·18-s + 0.657·20-s − 0.458·21-s − 0.0401·22-s − 0.0644·23-s − 0.442·24-s + 0.200·25-s − 2.49·26-s − 0.982·27-s − 1.12·28-s + 0.487·29-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: \(0\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9089022752\)
\(L(\frac12)\) \(\approx\) \(0.9089022752\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.22T + 2T^{2} \)
3 \( 1 - 1.03T + 3T^{2} \)
7 \( 1 + 2.02T + 7T^{2} \)
11 \( 1 - 0.0848T + 11T^{2} \)
13 \( 1 - 5.72T + 13T^{2} \)
17 \( 1 + 2.53T + 17T^{2} \)
23 \( 1 + 0.309T + 23T^{2} \)
29 \( 1 - 2.62T + 29T^{2} \)
31 \( 1 - 8.07T + 31T^{2} \)
37 \( 1 + 5.01T + 37T^{2} \)
41 \( 1 + 5.88T + 41T^{2} \)
43 \( 1 - 0.650T + 43T^{2} \)
47 \( 1 - 6.90T + 47T^{2} \)
53 \( 1 - 14.5T + 53T^{2} \)
59 \( 1 - 7.47T + 59T^{2} \)
61 \( 1 - 13.3T + 61T^{2} \)
67 \( 1 - 8.88T + 67T^{2} \)
71 \( 1 + 14.3T + 71T^{2} \)
73 \( 1 - 10.8T + 73T^{2} \)
79 \( 1 - 0.115T + 79T^{2} \)
83 \( 1 + 2.97T + 83T^{2} \)
89 \( 1 + 11.1T + 89T^{2} \)
97 \( 1 + 0.225T + 97T^{2} \)
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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

−9.067184729018375677453348574011, −8.568618729727056346966494290107, −8.213636861466850775148112649558, −6.96500055197911461144752926475, −6.45749169969085605291276132136, −5.54545522675044972460275730445, −4.00388663650534681658242811996, −2.96204558098204848372736677224, −2.06498671060109601729806598695, −0.797273934588638102980892414329, 0.797273934588638102980892414329, 2.06498671060109601729806598695, 2.96204558098204848372736677224, 4.00388663650534681658242811996, 5.54545522675044972460275730445, 6.45749169969085605291276132136, 6.96500055197911461144752926475, 8.213636861466850775148112649558, 8.568618729727056346966494290107, 9.067184729018375677453348574011

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