Properties

Label 2-1805-1.1-c1-0-5
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  − 1.81·2-s − 0.177·3-s + 1.30·4-s − 5-s + 0.321·6-s + 1.07·7-s + 1.26·8-s − 2.96·9-s + 1.81·10-s − 3.31·11-s − 0.230·12-s − 2.65·13-s − 1.95·14-s + 0.177·15-s − 4.90·16-s − 3.99·17-s + 5.39·18-s − 1.30·20-s − 0.190·21-s + 6.01·22-s + 1.75·23-s − 0.224·24-s + 25-s + 4.82·26-s + 1.05·27-s + 1.39·28-s − 2.25·29-s + ⋯
L(s)  = 1  − 1.28·2-s − 0.102·3-s + 0.650·4-s − 0.447·5-s + 0.131·6-s + 0.405·7-s + 0.448·8-s − 0.989·9-s + 0.574·10-s − 0.998·11-s − 0.0665·12-s − 0.737·13-s − 0.521·14-s + 0.0457·15-s − 1.22·16-s − 0.970·17-s + 1.27·18-s − 0.291·20-s − 0.0414·21-s + 1.28·22-s + 0.365·23-s − 0.0458·24-s + 0.200·25-s + 0.947·26-s + 0.203·27-s + 0.264·28-s − 0.418·29-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

\(L(1)\) \(\approx\) \(0.3936466532\)
\(L(\frac12)\) \(\approx\) \(0.3936466532\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.81T + 2T^{2} \)
3 \( 1 + 0.177T + 3T^{2} \)
7 \( 1 - 1.07T + 7T^{2} \)
11 \( 1 + 3.31T + 11T^{2} \)
13 \( 1 + 2.65T + 13T^{2} \)
17 \( 1 + 3.99T + 17T^{2} \)
23 \( 1 - 1.75T + 23T^{2} \)
29 \( 1 + 2.25T + 29T^{2} \)
31 \( 1 - 8.05T + 31T^{2} \)
37 \( 1 - 5.64T + 37T^{2} \)
41 \( 1 - 0.896T + 41T^{2} \)
43 \( 1 + 8.51T + 43T^{2} \)
47 \( 1 + 6.29T + 47T^{2} \)
53 \( 1 - 3.39T + 53T^{2} \)
59 \( 1 - 1.48T + 59T^{2} \)
61 \( 1 - 13.7T + 61T^{2} \)
67 \( 1 + 12.8T + 67T^{2} \)
71 \( 1 + 11.0T + 71T^{2} \)
73 \( 1 + 2.61T + 73T^{2} \)
79 \( 1 - 6.57T + 79T^{2} \)
83 \( 1 - 2.69T + 83T^{2} \)
89 \( 1 + 0.789T + 89T^{2} \)
97 \( 1 - 18.7T + 97T^{2} \)
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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

−9.131308083998533132204883904511, −8.428770466866069853008530787823, −7.973756254674507788315457183843, −7.23757177249961355937562447087, −6.31071382239566970232217201474, −5.09034095350901452328075902421, −4.52561323788560206485998947875, −2.99472504558902527579870838620, −2.07321737907890338102367460069, −0.49911373524436470861405824914, 0.49911373524436470861405824914, 2.07321737907890338102367460069, 2.99472504558902527579870838620, 4.52561323788560206485998947875, 5.09034095350901452328075902421, 6.31071382239566970232217201474, 7.23757177249961355937562447087, 7.973756254674507788315457183843, 8.428770466866069853008530787823, 9.131308083998533132204883904511

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