Properties

Label 2-1805-1.1-c1-0-74
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  + 2.02·2-s + 1.90·3-s + 2.08·4-s − 5-s + 3.84·6-s + 3.09·7-s + 0.175·8-s + 0.612·9-s − 2.02·10-s + 0.963·11-s + 3.96·12-s + 2.95·13-s + 6.25·14-s − 1.90·15-s − 3.81·16-s + 0.0389·17-s + 1.23·18-s − 2.08·20-s + 5.87·21-s + 1.94·22-s + 3.88·23-s + 0.334·24-s + 25-s + 5.98·26-s − 4.53·27-s + 6.45·28-s + 9.32·29-s + ⋯
L(s)  = 1  + 1.42·2-s + 1.09·3-s + 1.04·4-s − 0.447·5-s + 1.56·6-s + 1.16·7-s + 0.0621·8-s + 0.204·9-s − 0.639·10-s + 0.290·11-s + 1.14·12-s + 0.820·13-s + 1.67·14-s − 0.490·15-s − 0.954·16-s + 0.00944·17-s + 0.291·18-s − 0.466·20-s + 1.28·21-s + 0.415·22-s + 0.809·23-s + 0.0681·24-s + 0.200·25-s + 1.17·26-s − 0.873·27-s + 1.21·28-s + 1.73·29-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

\(L(1)\) \(\approx\) \(5.545275759\)
\(L(\frac12)\) \(\approx\) \(5.545275759\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.02T + 2T^{2} \)
3 \( 1 - 1.90T + 3T^{2} \)
7 \( 1 - 3.09T + 7T^{2} \)
11 \( 1 - 0.963T + 11T^{2} \)
13 \( 1 - 2.95T + 13T^{2} \)
17 \( 1 - 0.0389T + 17T^{2} \)
23 \( 1 - 3.88T + 23T^{2} \)
29 \( 1 - 9.32T + 29T^{2} \)
31 \( 1 - 9.37T + 31T^{2} \)
37 \( 1 - 1.11T + 37T^{2} \)
41 \( 1 + 12.0T + 41T^{2} \)
43 \( 1 + 4.95T + 43T^{2} \)
47 \( 1 - 8.01T + 47T^{2} \)
53 \( 1 + 6.05T + 53T^{2} \)
59 \( 1 + 2.77T + 59T^{2} \)
61 \( 1 + 10.0T + 61T^{2} \)
67 \( 1 + 9.34T + 67T^{2} \)
71 \( 1 + 12.5T + 71T^{2} \)
73 \( 1 - 0.897T + 73T^{2} \)
79 \( 1 + 8.89T + 79T^{2} \)
83 \( 1 + 9.60T + 83T^{2} \)
89 \( 1 - 8.74T + 89T^{2} \)
97 \( 1 + 7.78T + 97T^{2} \)
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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

−8.810878788047566261909024605104, −8.571888192599617701763608763477, −7.75715580310272946711976118924, −6.75950371108429733331626508847, −5.92653215820498832295660685735, −4.79602423202589324781638631278, −4.40464154251027836341198366649, −3.32690586093229870034970102676, −2.80112984372276701231890967178, −1.49902817316852925318894985135, 1.49902817316852925318894985135, 2.80112984372276701231890967178, 3.32690586093229870034970102676, 4.40464154251027836341198366649, 4.79602423202589324781638631278, 5.92653215820498832295660685735, 6.75950371108429733331626508847, 7.75715580310272946711976118924, 8.571888192599617701763608763477, 8.810878788047566261909024605104

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