Properties

Label 2-1815-1.1-c1-0-20
Degree $2$
Conductor $1815$
Sign $1$
Analytic cond. $14.4928$
Root an. cond. $3.80694$
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  − 1.39·2-s + 3-s − 0.0671·4-s − 5-s − 1.39·6-s + 1.27·7-s + 2.87·8-s + 9-s + 1.39·10-s − 0.0671·12-s − 1.41·13-s − 1.77·14-s − 15-s − 3.86·16-s + 5·17-s − 1.39·18-s + 0.158·19-s + 0.0671·20-s + 1.27·21-s − 5.00·23-s + 2.87·24-s + 25-s + 1.97·26-s + 27-s − 0.0858·28-s + 6.27·29-s + 1.39·30-s + ⋯
L(s)  = 1  − 0.983·2-s + 0.577·3-s − 0.0335·4-s − 0.447·5-s − 0.567·6-s + 0.482·7-s + 1.01·8-s + 0.333·9-s + 0.439·10-s − 0.0193·12-s − 0.393·13-s − 0.474·14-s − 0.258·15-s − 0.965·16-s + 1.21·17-s − 0.327·18-s + 0.0362·19-s + 0.0150·20-s + 0.278·21-s − 1.04·23-s + 0.586·24-s + 0.200·25-s + 0.386·26-s + 0.192·27-s − 0.0162·28-s + 1.16·29-s + 0.253·30-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1815\)    =    \(3 \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(14.4928\)
Root analytic conductor: \(3.80694\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1815,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.112505383\)
\(L(\frac12)\) \(\approx\) \(1.112505383\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
5 \( 1 + T \)
11 \( 1 \)
good2 \( 1 + 1.39T + 2T^{2} \)
7 \( 1 - 1.27T + 7T^{2} \)
13 \( 1 + 1.41T + 13T^{2} \)
17 \( 1 - 5T + 17T^{2} \)
19 \( 1 - 0.158T + 19T^{2} \)
23 \( 1 + 5.00T + 23T^{2} \)
29 \( 1 - 6.27T + 29T^{2} \)
31 \( 1 - 3.04T + 31T^{2} \)
37 \( 1 + 4.69T + 37T^{2} \)
41 \( 1 - 7.58T + 41T^{2} \)
43 \( 1 - 5.41T + 43T^{2} \)
47 \( 1 + 8.23T + 47T^{2} \)
53 \( 1 - 9.36T + 53T^{2} \)
59 \( 1 - 8.09T + 59T^{2} \)
61 \( 1 + 14.2T + 61T^{2} \)
67 \( 1 + 7.38T + 67T^{2} \)
71 \( 1 + 6.77T + 71T^{2} \)
73 \( 1 - 8.66T + 73T^{2} \)
79 \( 1 + 2.54T + 79T^{2} \)
83 \( 1 - 10.1T + 83T^{2} \)
89 \( 1 - 11.0T + 89T^{2} \)
97 \( 1 - 6.41T + 97T^{2} \)
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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

−9.105460477756182305155375965100, −8.509602812324539778038197370348, −7.73249810883447761475825929086, −7.50864488923689238369496395950, −6.25010224114267306275973882376, −5.00962342825813650702187238736, −4.30230018789851656740481089882, −3.26532737635006791959152234905, −2.00644382589574250853841321370, −0.840739956820168080970108383134, 0.840739956820168080970108383134, 2.00644382589574250853841321370, 3.26532737635006791959152234905, 4.30230018789851656740481089882, 5.00962342825813650702187238736, 6.25010224114267306275973882376, 7.50864488923689238369496395950, 7.73249810883447761475825929086, 8.509602812324539778038197370348, 9.105460477756182305155375965100

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