Properties

Label 2-1805-1.1-c1-0-8
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  − 1.38·2-s − 3.31·3-s − 0.0703·4-s − 5-s + 4.60·6-s − 1.97·7-s + 2.87·8-s + 8.00·9-s + 1.38·10-s + 4.53·11-s + 0.233·12-s − 2.78·13-s + 2.74·14-s + 3.31·15-s − 3.85·16-s + 0.944·17-s − 11.1·18-s + 0.0703·20-s + 6.56·21-s − 6.29·22-s + 6.80·23-s − 9.54·24-s + 25-s + 3.87·26-s − 16.6·27-s + 0.139·28-s + 2.80·29-s + ⋯
L(s)  = 1  − 0.982·2-s − 1.91·3-s − 0.0351·4-s − 0.447·5-s + 1.88·6-s − 0.748·7-s + 1.01·8-s + 2.66·9-s + 0.439·10-s + 1.36·11-s + 0.0673·12-s − 0.773·13-s + 0.734·14-s + 0.856·15-s − 0.963·16-s + 0.229·17-s − 2.62·18-s + 0.0157·20-s + 1.43·21-s − 1.34·22-s + 1.41·23-s − 1.94·24-s + 0.200·25-s + 0.759·26-s − 3.19·27-s + 0.0263·28-s + 0.520·29-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

\(L(1)\) \(\approx\) \(0.3065925434\)
\(L(\frac12)\) \(\approx\) \(0.3065925434\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.38T + 2T^{2} \)
3 \( 1 + 3.31T + 3T^{2} \)
7 \( 1 + 1.97T + 7T^{2} \)
11 \( 1 - 4.53T + 11T^{2} \)
13 \( 1 + 2.78T + 13T^{2} \)
17 \( 1 - 0.944T + 17T^{2} \)
23 \( 1 - 6.80T + 23T^{2} \)
29 \( 1 - 2.80T + 29T^{2} \)
31 \( 1 + 1.55T + 31T^{2} \)
37 \( 1 + 1.67T + 37T^{2} \)
41 \( 1 + 4.34T + 41T^{2} \)
43 \( 1 - 0.230T + 43T^{2} \)
47 \( 1 + 11.4T + 47T^{2} \)
53 \( 1 + 1.87T + 53T^{2} \)
59 \( 1 - 13.4T + 59T^{2} \)
61 \( 1 + 8.56T + 61T^{2} \)
67 \( 1 - 3.50T + 67T^{2} \)
71 \( 1 - 1.14T + 71T^{2} \)
73 \( 1 + 8.60T + 73T^{2} \)
79 \( 1 - 3.70T + 79T^{2} \)
83 \( 1 - 13.1T + 83T^{2} \)
89 \( 1 + 11.7T + 89T^{2} \)
97 \( 1 - 4.65T + 97T^{2} \)
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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

−9.557608868313235323965118932607, −8.654540376246876778560395338923, −7.45981528411911400958989535676, −6.87117051358083173186155804161, −6.34492786319166362282466877037, −5.14735240070394210519681183786, −4.59394483942419866555739683936, −3.57766416898384045398258269275, −1.48156027491688597429237378835, −0.52676908828243685798429048782, 0.52676908828243685798429048782, 1.48156027491688597429237378835, 3.57766416898384045398258269275, 4.59394483942419866555739683936, 5.14735240070394210519681183786, 6.34492786319166362282466877037, 6.87117051358083173186155804161, 7.45981528411911400958989535676, 8.654540376246876778560395338923, 9.557608868313235323965118932607

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