Properties

Label 2-1805-1.1-c1-0-41
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  + 2.63·2-s − 3.04·3-s + 4.91·4-s − 5-s − 8.00·6-s − 0.574·7-s + 7.67·8-s + 6.26·9-s − 2.63·10-s + 2.57·11-s − 14.9·12-s + 0.468·13-s − 1.51·14-s + 3.04·15-s + 10.3·16-s − 4.08·17-s + 16.4·18-s − 4.91·20-s + 1.74·21-s + 6.77·22-s + 1.51·23-s − 23.3·24-s + 25-s + 1.23·26-s − 9.92·27-s − 2.82·28-s + 4.08·29-s + ⋯
L(s)  = 1  + 1.85·2-s − 1.75·3-s + 2.45·4-s − 0.447·5-s − 3.26·6-s − 0.217·7-s + 2.71·8-s + 2.08·9-s − 0.831·10-s + 0.776·11-s − 4.31·12-s + 0.129·13-s − 0.403·14-s + 0.785·15-s + 2.58·16-s − 0.991·17-s + 3.88·18-s − 1.09·20-s + 0.381·21-s + 1.44·22-s + 0.315·23-s − 4.76·24-s + 0.200·25-s + 0.241·26-s − 1.90·27-s − 0.534·28-s + 0.758·29-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

\(L(1)\) \(\approx\) \(3.101632804\)
\(L(\frac12)\) \(\approx\) \(3.101632804\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.63T + 2T^{2} \)
3 \( 1 + 3.04T + 3T^{2} \)
7 \( 1 + 0.574T + 7T^{2} \)
11 \( 1 - 2.57T + 11T^{2} \)
13 \( 1 - 0.468T + 13T^{2} \)
17 \( 1 + 4.08T + 17T^{2} \)
23 \( 1 - 1.51T + 23T^{2} \)
29 \( 1 - 4.08T + 29T^{2} \)
31 \( 1 - 9.92T + 31T^{2} \)
37 \( 1 - 8.30T + 37T^{2} \)
41 \( 1 - 1.83T + 41T^{2} \)
43 \( 1 + 0.574T + 43T^{2} \)
47 \( 1 - 7.09T + 47T^{2} \)
53 \( 1 + 4.30T + 53T^{2} \)
59 \( 1 - 2.68T + 59T^{2} \)
61 \( 1 - 12.4T + 61T^{2} \)
67 \( 1 - 2.70T + 67T^{2} \)
71 \( 1 - 7.40T + 71T^{2} \)
73 \( 1 - 12.0T + 73T^{2} \)
79 \( 1 - 6.68T + 79T^{2} \)
83 \( 1 + 6.66T + 83T^{2} \)
89 \( 1 + 14.6T + 89T^{2} \)
97 \( 1 + 17.4T + 97T^{2} \)
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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

−9.638649315189714397813310519935, −8.128397823031934587517722169541, −6.89589188244155168653555171024, −6.61054074024909909076916988385, −5.99335280573231450040210584931, −5.09483183582300447916141946734, −4.45874657319188368051399772900, −3.89502231656176158638969992703, −2.57734648814662431764233080693, −1.04579847525429894475470299308, 1.04579847525429894475470299308, 2.57734648814662431764233080693, 3.89502231656176158638969992703, 4.45874657319188368051399772900, 5.09483183582300447916141946734, 5.99335280573231450040210584931, 6.61054074024909909076916988385, 6.89589188244155168653555171024, 8.128397823031934587517722169541, 9.638649315189714397813310519935

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