Properties

Label 2-1805-1.1-c1-0-6
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  + 1.01·2-s − 2.79·3-s − 0.979·4-s + 5-s − 2.82·6-s − 1.25·7-s − 3.00·8-s + 4.82·9-s + 1.01·10-s − 3.20·11-s + 2.74·12-s − 2.07·13-s − 1.26·14-s − 2.79·15-s − 1.08·16-s − 5.18·17-s + 4.86·18-s − 0.979·20-s + 3.51·21-s − 3.24·22-s + 9.33·23-s + 8.41·24-s + 25-s − 2.09·26-s − 5.09·27-s + 1.23·28-s − 8.56·29-s + ⋯
L(s)  = 1  + 0.714·2-s − 1.61·3-s − 0.489·4-s + 0.447·5-s − 1.15·6-s − 0.474·7-s − 1.06·8-s + 1.60·9-s + 0.319·10-s − 0.967·11-s + 0.790·12-s − 0.575·13-s − 0.338·14-s − 0.722·15-s − 0.270·16-s − 1.25·17-s + 1.14·18-s − 0.219·20-s + 0.766·21-s − 0.691·22-s + 1.94·23-s + 1.71·24-s + 0.200·25-s − 0.410·26-s − 0.980·27-s + 0.232·28-s − 1.58·29-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

\(L(1)\) \(\approx\) \(0.6420993713\)
\(L(\frac12)\) \(\approx\) \(0.6420993713\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.01T + 2T^{2} \)
3 \( 1 + 2.79T + 3T^{2} \)
7 \( 1 + 1.25T + 7T^{2} \)
11 \( 1 + 3.20T + 11T^{2} \)
13 \( 1 + 2.07T + 13T^{2} \)
17 \( 1 + 5.18T + 17T^{2} \)
23 \( 1 - 9.33T + 23T^{2} \)
29 \( 1 + 8.56T + 29T^{2} \)
31 \( 1 + 3.10T + 31T^{2} \)
37 \( 1 + 7.83T + 37T^{2} \)
41 \( 1 + 4.42T + 41T^{2} \)
43 \( 1 - 7.55T + 43T^{2} \)
47 \( 1 - 5.90T + 47T^{2} \)
53 \( 1 - 12.2T + 53T^{2} \)
59 \( 1 + 2.01T + 59T^{2} \)
61 \( 1 - 12.4T + 61T^{2} \)
67 \( 1 - 11.5T + 67T^{2} \)
71 \( 1 - 0.135T + 71T^{2} \)
73 \( 1 - 6.62T + 73T^{2} \)
79 \( 1 - 5.30T + 79T^{2} \)
83 \( 1 - 1.79T + 83T^{2} \)
89 \( 1 + 15.7T + 89T^{2} \)
97 \( 1 - 4.67T + 97T^{2} \)
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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

−9.382089367511351199500413248806, −8.696755946482799243805973590252, −7.20955233403313420711918327926, −6.71581064412393760280835195166, −5.68750578743878645508139369616, −5.29007306074454467497198126383, −4.70440391993889226504042960018, −3.62010676553496483359050554193, −2.35375125202479289670552462002, −0.50941828176835194343435086140, 0.50941828176835194343435086140, 2.35375125202479289670552462002, 3.62010676553496483359050554193, 4.70440391993889226504042960018, 5.29007306074454467497198126383, 5.68750578743878645508139369616, 6.71581064412393760280835195166, 7.20955233403313420711918327926, 8.696755946482799243805973590252, 9.382089367511351199500413248806

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