Properties

Label 2-1805-1.1-c1-0-30
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  − 0.486·2-s − 0.821·3-s − 1.76·4-s + 5-s + 0.399·6-s + 3.94·7-s + 1.83·8-s − 2.32·9-s − 0.486·10-s + 4.13·11-s + 1.44·12-s − 0.310·13-s − 1.91·14-s − 0.821·15-s + 2.63·16-s + 1.37·17-s + 1.13·18-s − 1.76·20-s − 3.23·21-s − 2.01·22-s + 0.331·23-s − 1.50·24-s + 25-s + 0.151·26-s + 4.37·27-s − 6.95·28-s + 7.26·29-s + ⋯
L(s)  = 1  − 0.344·2-s − 0.474·3-s − 0.881·4-s + 0.447·5-s + 0.163·6-s + 1.49·7-s + 0.647·8-s − 0.775·9-s − 0.153·10-s + 1.24·11-s + 0.417·12-s − 0.0862·13-s − 0.512·14-s − 0.212·15-s + 0.658·16-s + 0.332·17-s + 0.266·18-s − 0.394·20-s − 0.706·21-s − 0.429·22-s + 0.0691·23-s − 0.307·24-s + 0.200·25-s + 0.0296·26-s + 0.841·27-s − 1.31·28-s + 1.34·29-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

\(L(1)\) \(\approx\) \(1.305964885\)
\(L(\frac12)\) \(\approx\) \(1.305964885\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.486T + 2T^{2} \)
3 \( 1 + 0.821T + 3T^{2} \)
7 \( 1 - 3.94T + 7T^{2} \)
11 \( 1 - 4.13T + 11T^{2} \)
13 \( 1 + 0.310T + 13T^{2} \)
17 \( 1 - 1.37T + 17T^{2} \)
23 \( 1 - 0.331T + 23T^{2} \)
29 \( 1 - 7.26T + 29T^{2} \)
31 \( 1 + 6.55T + 31T^{2} \)
37 \( 1 + 9.27T + 37T^{2} \)
41 \( 1 - 9.25T + 41T^{2} \)
43 \( 1 + 6.49T + 43T^{2} \)
47 \( 1 - 4.19T + 47T^{2} \)
53 \( 1 + 10.5T + 53T^{2} \)
59 \( 1 + 7.23T + 59T^{2} \)
61 \( 1 - 15.0T + 61T^{2} \)
67 \( 1 - 11.5T + 67T^{2} \)
71 \( 1 + 4.54T + 71T^{2} \)
73 \( 1 - 8.86T + 73T^{2} \)
79 \( 1 + 7.42T + 79T^{2} \)
83 \( 1 - 1.50T + 83T^{2} \)
89 \( 1 + 4.72T + 89T^{2} \)
97 \( 1 - 12.4T + 97T^{2} \)
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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

−9.095412712508062878158727761986, −8.609254520881385280128722972632, −7.939452968857775107552672716871, −6.92280436711542803929694454182, −5.89522356963309634874996783163, −5.14773201337366913982483168139, −4.56199954702466646696495254437, −3.48639626682123805121078063304, −1.89201365623746652033578906039, −0.907115126695572334471266882801, 0.907115126695572334471266882801, 1.89201365623746652033578906039, 3.48639626682123805121078063304, 4.56199954702466646696495254437, 5.14773201337366913982483168139, 5.89522356963309634874996783163, 6.92280436711542803929694454182, 7.939452968857775107552672716871, 8.609254520881385280128722972632, 9.095412712508062878158727761986

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