Properties

Label 2-1805-1.1-c3-0-135
Degree $2$
Conductor $1805$
Sign $1$
Analytic cond. $106.498$
Root an. cond. $10.3198$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 5·3-s − 7·4-s + 5·5-s + 5·6-s + 22·7-s − 15·8-s − 2·9-s + 5·10-s + 9·11-s − 35·12-s − 54·13-s + 22·14-s + 25·15-s + 41·16-s − 54·17-s − 2·18-s − 35·20-s + 110·21-s + 9·22-s − 92·23-s − 75·24-s + 25·25-s − 54·26-s − 145·27-s − 154·28-s + 134·29-s + ⋯
L(s)  = 1  + 0.353·2-s + 0.962·3-s − 7/8·4-s + 0.447·5-s + 0.340·6-s + 1.18·7-s − 0.662·8-s − 0.0740·9-s + 0.158·10-s + 0.246·11-s − 0.841·12-s − 1.15·13-s + 0.419·14-s + 0.430·15-s + 0.640·16-s − 0.770·17-s − 0.0261·18-s − 0.391·20-s + 1.14·21-s + 0.0872·22-s − 0.834·23-s − 0.637·24-s + 1/5·25-s − 0.407·26-s − 1.03·27-s − 1.03·28-s + 0.858·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(106.498\)
Root analytic conductor: \(10.3198\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1805,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(3.358267159\)
\(L(\frac12)\) \(\approx\) \(3.358267159\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - p T \)
19 \( 1 \)
good2 \( 1 - T + p^{3} T^{2} \)
3 \( 1 - 5 T + p^{3} T^{2} \)
7 \( 1 - 22 T + p^{3} T^{2} \)
11 \( 1 - 9 T + p^{3} T^{2} \)
13 \( 1 + 54 T + p^{3} T^{2} \)
17 \( 1 + 54 T + p^{3} T^{2} \)
23 \( 1 + 4 p T + p^{3} T^{2} \)
29 \( 1 - 134 T + p^{3} T^{2} \)
31 \( 1 - 252 T + p^{3} T^{2} \)
37 \( 1 - 236 T + p^{3} T^{2} \)
41 \( 1 - 243 T + p^{3} T^{2} \)
43 \( 1 - 496 T + p^{3} T^{2} \)
47 \( 1 - 502 T + p^{3} T^{2} \)
53 \( 1 + 62 T + p^{3} T^{2} \)
59 \( 1 + 681 T + p^{3} T^{2} \)
61 \( 1 + 142 T + p^{3} T^{2} \)
67 \( 1 + 55 T + p^{3} T^{2} \)
71 \( 1 - 974 T + p^{3} T^{2} \)
73 \( 1 - 695 T + p^{3} T^{2} \)
79 \( 1 - 736 T + p^{3} T^{2} \)
83 \( 1 + 63 T + p^{3} T^{2} \)
89 \( 1 + 726 T + p^{3} T^{2} \)
97 \( 1 - 1167 T + p^{3} T^{2} \)
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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

−9.040533006961932858533980309898, −8.029923844005332646333265898395, −7.79863349521813762154467092003, −6.39411108851997112184417280119, −5.51525144840996978057623173479, −4.59661043956248809532691572322, −4.15643462861115143990029804427, −2.79581992672832109505528291357, −2.19107390987726155383446580028, −0.78314050003126340393231316815, 0.78314050003126340393231316815, 2.19107390987726155383446580028, 2.79581992672832109505528291357, 4.15643462861115143990029804427, 4.59661043956248809532691572322, 5.51525144840996978057623173479, 6.39411108851997112184417280119, 7.79863349521813762154467092003, 8.029923844005332646333265898395, 9.040533006961932858533980309898

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