Properties

Label 2-1815-15.14-c0-0-0
Degree $2$
Conductor $1815$
Sign $1$
Analytic cond. $0.905802$
Root an. cond. $0.951736$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 3-s − 5-s + 6-s + 8-s + 9-s + 10-s + 15-s − 16-s − 17-s − 18-s − 2·19-s + 23-s − 24-s + 25-s − 27-s − 30-s − 31-s + 34-s + 2·38-s − 40-s − 45-s − 46-s + 47-s + 48-s + 49-s − 50-s + ⋯
L(s)  = 1  − 2-s − 3-s − 5-s + 6-s + 8-s + 9-s + 10-s + 15-s − 16-s − 17-s − 18-s − 2·19-s + 23-s − 24-s + 25-s − 27-s − 30-s − 31-s + 34-s + 2·38-s − 40-s − 45-s − 46-s + 47-s + 48-s + 49-s − 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1815\)    =    \(3 \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(0.905802\)
Root analytic conductor: \(0.951736\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{1815} (1574, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1815,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.2731264667\)
\(L(\frac12)\) \(\approx\) \(0.2731264667\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
5 \( 1 + T \)
11 \( 1 \)
good2 \( 1 + T + T^{2} \)
7 \( ( 1 - T )( 1 + T ) \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( 1 + T + T^{2} \)
19 \( ( 1 + T )^{2} \)
23 \( 1 - T + T^{2} \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( 1 + T + T^{2} \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( 1 - T + T^{2} \)
53 \( 1 - T + T^{2} \)
59 \( ( 1 - T )( 1 + T ) \)
61 \( 1 - T + T^{2} \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( 1 - T + T^{2} \)
83 \( ( 1 - T )^{2} \)
89 \( ( 1 - T )( 1 + T ) \)
97 \( ( 1 - T )( 1 + T ) \)
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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

−9.270015142252286647298766835934, −8.763686150174420374412711117953, −7.966909686500984955965928063521, −7.09203726797406700849896031030, −6.62891197057680533712763043815, −5.35795294236396707792593092030, −4.44458075485389115765399121033, −3.94173941702451812884082078010, −2.11224987530574944279317054000, −0.63435997981231660576126859035, 0.63435997981231660576126859035, 2.11224987530574944279317054000, 3.94173941702451812884082078010, 4.44458075485389115765399121033, 5.35795294236396707792593092030, 6.62891197057680533712763043815, 7.09203726797406700849896031030, 7.966909686500984955965928063521, 8.763686150174420374412711117953, 9.270015142252286647298766835934

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