Properties

Label 2-1805-1.1-c1-0-46
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.593·2-s − 1.93·3-s − 1.64·4-s − 5-s + 1.14·6-s + 1.06·7-s + 2.16·8-s + 0.725·9-s + 0.593·10-s + 0.196·11-s + 3.17·12-s − 5.28·13-s − 0.629·14-s + 1.93·15-s + 2.00·16-s + 0.704·17-s − 0.430·18-s + 1.64·20-s − 2.04·21-s − 0.116·22-s + 6.62·23-s − 4.18·24-s + 25-s + 3.13·26-s + 4.39·27-s − 1.74·28-s − 3.38·29-s + ⋯
L(s)  = 1  − 0.419·2-s − 1.11·3-s − 0.823·4-s − 0.447·5-s + 0.467·6-s + 0.400·7-s + 0.765·8-s + 0.241·9-s + 0.187·10-s + 0.0592·11-s + 0.917·12-s − 1.46·13-s − 0.168·14-s + 0.498·15-s + 0.502·16-s + 0.170·17-s − 0.101·18-s + 0.368·20-s − 0.446·21-s − 0.0248·22-s + 1.38·23-s − 0.853·24-s + 0.200·25-s + 0.615·26-s + 0.845·27-s − 0.330·28-s − 0.627·29-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: \(1\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.593T + 2T^{2} \)
3 \( 1 + 1.93T + 3T^{2} \)
7 \( 1 - 1.06T + 7T^{2} \)
11 \( 1 - 0.196T + 11T^{2} \)
13 \( 1 + 5.28T + 13T^{2} \)
17 \( 1 - 0.704T + 17T^{2} \)
23 \( 1 - 6.62T + 23T^{2} \)
29 \( 1 + 3.38T + 29T^{2} \)
31 \( 1 - 7.91T + 31T^{2} \)
37 \( 1 + 1.09T + 37T^{2} \)
41 \( 1 + 1.35T + 41T^{2} \)
43 \( 1 - 9.00T + 43T^{2} \)
47 \( 1 - 4.81T + 47T^{2} \)
53 \( 1 + 5.32T + 53T^{2} \)
59 \( 1 + 10.9T + 59T^{2} \)
61 \( 1 - 11.7T + 61T^{2} \)
67 \( 1 + 3.05T + 67T^{2} \)
71 \( 1 - 2.50T + 71T^{2} \)
73 \( 1 - 6.55T + 73T^{2} \)
79 \( 1 + 12.2T + 79T^{2} \)
83 \( 1 + 4.03T + 83T^{2} \)
89 \( 1 - 17.5T + 89T^{2} \)
97 \( 1 + 1.33T + 97T^{2} \)
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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

−8.965517638164237080797973171587, −8.043750491156988261887822672656, −7.41165736187504729216047579860, −6.53025856749375964731168991986, −5.35288628765339350988798739550, −4.94030639074062403971307569130, −4.17408491567837099296290600080, −2.79466554842994831230278583188, −1.10383329278208963677528337985, 0, 1.10383329278208963677528337985, 2.79466554842994831230278583188, 4.17408491567837099296290600080, 4.94030639074062403971307569130, 5.35288628765339350988798739550, 6.53025856749375964731168991986, 7.41165736187504729216047579860, 8.043750491156988261887822672656, 8.965517638164237080797973171587

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