Properties

Label 2-1805-1.1-c1-0-75
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  + 2.58·2-s − 0.247·3-s + 4.67·4-s + 5-s − 0.639·6-s − 0.401·7-s + 6.90·8-s − 2.93·9-s + 2.58·10-s + 5.19·11-s − 1.15·12-s + 2.88·13-s − 1.03·14-s − 0.247·15-s + 8.48·16-s − 4.14·17-s − 7.59·18-s + 4.67·20-s + 0.0994·21-s + 13.4·22-s + 3.35·23-s − 1.71·24-s + 25-s + 7.46·26-s + 1.47·27-s − 1.87·28-s + 6.58·29-s + ⋯
L(s)  = 1  + 1.82·2-s − 0.143·3-s + 2.33·4-s + 0.447·5-s − 0.261·6-s − 0.151·7-s + 2.44·8-s − 0.979·9-s + 0.816·10-s + 1.56·11-s − 0.334·12-s + 0.801·13-s − 0.277·14-s − 0.0639·15-s + 2.12·16-s − 1.00·17-s − 1.78·18-s + 1.04·20-s + 0.0217·21-s + 2.85·22-s + 0.700·23-s − 0.349·24-s + 0.200·25-s + 1.46·26-s + 0.283·27-s − 0.354·28-s + 1.22·29-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

\(L(1)\) \(\approx\) \(5.658711757\)
\(L(\frac12)\) \(\approx\) \(5.658711757\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.58T + 2T^{2} \)
3 \( 1 + 0.247T + 3T^{2} \)
7 \( 1 + 0.401T + 7T^{2} \)
11 \( 1 - 5.19T + 11T^{2} \)
13 \( 1 - 2.88T + 13T^{2} \)
17 \( 1 + 4.14T + 17T^{2} \)
23 \( 1 - 3.35T + 23T^{2} \)
29 \( 1 - 6.58T + 29T^{2} \)
31 \( 1 + 6.26T + 31T^{2} \)
37 \( 1 - 1.14T + 37T^{2} \)
41 \( 1 - 2.85T + 41T^{2} \)
43 \( 1 + 12.4T + 43T^{2} \)
47 \( 1 - 6.76T + 47T^{2} \)
53 \( 1 - 12.3T + 53T^{2} \)
59 \( 1 + 1.51T + 59T^{2} \)
61 \( 1 + 6.98T + 61T^{2} \)
67 \( 1 + 0.757T + 67T^{2} \)
71 \( 1 + 8.33T + 71T^{2} \)
73 \( 1 + 9.91T + 73T^{2} \)
79 \( 1 - 3.18T + 79T^{2} \)
83 \( 1 - 5.51T + 83T^{2} \)
89 \( 1 + 12.5T + 89T^{2} \)
97 \( 1 + 8.89T + 97T^{2} \)
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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

−9.126388725522001069956382405598, −8.589871121740432488260009989728, −7.14466321135617480008563634895, −6.45663730964261979945099155262, −6.05354913461931212475572112410, −5.18319712135113712937845911187, −4.31222401463205090976792453221, −3.51553595036025410872694577195, −2.66988021321079334180976351302, −1.49970302379766694408085521015, 1.49970302379766694408085521015, 2.66988021321079334180976351302, 3.51553595036025410872694577195, 4.31222401463205090976792453221, 5.18319712135113712937845911187, 6.05354913461931212475572112410, 6.45663730964261979945099155262, 7.14466321135617480008563634895, 8.589871121740432488260009989728, 9.126388725522001069956382405598

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