Properties

Label 2-1815-15.14-c0-0-2
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  − 3-s − 4-s + 5-s + 9-s + 12-s − 15-s + 16-s − 20-s − 2·23-s + 25-s − 27-s + 2·31-s − 36-s + 45-s + 2·47-s − 48-s + 49-s + 2·53-s + 60-s − 64-s + 2·69-s − 75-s + 80-s + 81-s + 2·92-s − 2·93-s − 100-s + ⋯
L(s)  = 1  − 3-s − 4-s + 5-s + 9-s + 12-s − 15-s + 16-s − 20-s − 2·23-s + 25-s − 27-s + 2·31-s − 36-s + 45-s + 2·47-s − 48-s + 49-s + 2·53-s + 60-s − 64-s + 2·69-s − 75-s + 80-s + 81-s + 2·92-s − 2·93-s − 100-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

\(L(\frac{1}{2})\) \(\approx\) \(0.7851425395\)
\(L(\frac12)\) \(\approx\) \(0.7851425395\)
\(L(1)\) 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 \( 1 + T^{2} \)
7 \( ( 1 - T )( 1 + T ) \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( 1 + T^{2} \)
19 \( 1 + T^{2} \)
23 \( ( 1 + T )^{2} \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( ( 1 - T )^{2} \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( ( 1 - T )^{2} \)
53 \( ( 1 - T )^{2} \)
59 \( ( 1 - T )( 1 + T ) \)
61 \( 1 + T^{2} \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( 1 + T^{2} \)
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

−9.649207635616483733348189541693, −8.797449252363717347477788552082, −7.948910075081726405946026308930, −6.90259195084070242024747029966, −5.94240985892354588055328645653, −5.60223294448136324263401801227, −4.60098807297338012289901511506, −3.94118391816636433464815226977, −2.35086277687952367790681256445, −0.988528584807439971347255214798, 0.988528584807439971347255214798, 2.35086277687952367790681256445, 3.94118391816636433464815226977, 4.60098807297338012289901511506, 5.60223294448136324263401801227, 5.94240985892354588055328645653, 6.90259195084070242024747029966, 7.948910075081726405946026308930, 8.797449252363717347477788552082, 9.649207635616483733348189541693

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