Properties

Label 2-1805-1.1-c1-0-62
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  + 2.76·2-s − 2.29·3-s + 5.64·4-s + 5-s − 6.33·6-s + 1.54·7-s + 10.0·8-s + 2.25·9-s + 2.76·10-s + 0.891·11-s − 12.9·12-s − 3.93·13-s + 4.26·14-s − 2.29·15-s + 16.5·16-s + 5.53·17-s + 6.22·18-s + 5.64·20-s − 3.53·21-s + 2.46·22-s − 3.08·23-s − 23.0·24-s + 25-s − 10.8·26-s + 1.71·27-s + 8.69·28-s + 3.41·29-s + ⋯
L(s)  = 1  + 1.95·2-s − 1.32·3-s + 2.82·4-s + 0.447·5-s − 2.58·6-s + 0.582·7-s + 3.55·8-s + 0.750·9-s + 0.874·10-s + 0.268·11-s − 3.73·12-s − 1.09·13-s + 1.13·14-s − 0.591·15-s + 4.13·16-s + 1.34·17-s + 1.46·18-s + 1.26·20-s − 0.770·21-s + 0.525·22-s − 0.642·23-s − 4.70·24-s + 0.200·25-s − 2.13·26-s + 0.330·27-s + 1.64·28-s + 0.633·29-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

\(L(1)\) \(\approx\) \(4.762109538\)
\(L(\frac12)\) \(\approx\) \(4.762109538\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.76T + 2T^{2} \)
3 \( 1 + 2.29T + 3T^{2} \)
7 \( 1 - 1.54T + 7T^{2} \)
11 \( 1 - 0.891T + 11T^{2} \)
13 \( 1 + 3.93T + 13T^{2} \)
17 \( 1 - 5.53T + 17T^{2} \)
23 \( 1 + 3.08T + 23T^{2} \)
29 \( 1 - 3.41T + 29T^{2} \)
31 \( 1 - 0.0632T + 31T^{2} \)
37 \( 1 + 5.17T + 37T^{2} \)
41 \( 1 + 2.81T + 41T^{2} \)
43 \( 1 - 11.0T + 43T^{2} \)
47 \( 1 + 5.89T + 47T^{2} \)
53 \( 1 - 3.08T + 53T^{2} \)
59 \( 1 + 5.54T + 59T^{2} \)
61 \( 1 + 8.62T + 61T^{2} \)
67 \( 1 - 0.635T + 67T^{2} \)
71 \( 1 + 2.40T + 71T^{2} \)
73 \( 1 - 9.79T + 73T^{2} \)
79 \( 1 - 11.4T + 79T^{2} \)
83 \( 1 - 16.1T + 83T^{2} \)
89 \( 1 + 4.46T + 89T^{2} \)
97 \( 1 + 4.99T + 97T^{2} \)
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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

−9.720252167453261579267876456466, −8.000861751873028199084072436319, −7.24422863898646010241094420712, −6.40885661257614251087003662913, −5.84820482737007963807681158140, −5.07824315065476960945217374912, −4.76632723643952543536591681161, −3.62684336926666273383550626136, −2.50707681087636164848287312649, −1.36961954188824376902357085898, 1.36961954188824376902357085898, 2.50707681087636164848287312649, 3.62684336926666273383550626136, 4.76632723643952543536591681161, 5.07824315065476960945217374912, 5.84820482737007963807681158140, 6.40885661257614251087003662913, 7.24422863898646010241094420712, 8.000861751873028199084072436319, 9.720252167453261579267876456466

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