Properties

Label 2-1815-1.1-c1-0-45
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  + 2.18·2-s + 3-s + 2.79·4-s − 5-s + 2.18·6-s + 0.913·7-s + 1.73·8-s + 9-s − 2.18·10-s + 2.79·12-s + 4.37·13-s + 1.99·14-s − 15-s − 1.79·16-s − 1.73·17-s + 2.18·18-s + 3.46·19-s − 2.79·20-s + 0.913·21-s + 8.58·23-s + 1.73·24-s + 25-s + 9.58·26-s + 27-s + 2.55·28-s + 6.20·29-s − 2.18·30-s + ⋯
L(s)  = 1  + 1.54·2-s + 0.577·3-s + 1.39·4-s − 0.447·5-s + 0.893·6-s + 0.345·7-s + 0.612·8-s + 0.333·9-s − 0.692·10-s + 0.805·12-s + 1.21·13-s + 0.534·14-s − 0.258·15-s − 0.447·16-s − 0.420·17-s + 0.515·18-s + 0.794·19-s − 0.624·20-s + 0.199·21-s + 1.78·23-s + 0.353·24-s + 0.200·25-s + 1.87·26-s + 0.192·27-s + 0.481·28-s + 1.15·29-s − 0.399·30-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

\(L(1)\) \(\approx\) \(5.096092782\)
\(L(\frac12)\) \(\approx\) \(5.096092782\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.18T + 2T^{2} \)
7 \( 1 - 0.913T + 7T^{2} \)
13 \( 1 - 4.37T + 13T^{2} \)
17 \( 1 + 1.73T + 17T^{2} \)
19 \( 1 - 3.46T + 19T^{2} \)
23 \( 1 - 8.58T + 23T^{2} \)
29 \( 1 - 6.20T + 29T^{2} \)
31 \( 1 - 0.582T + 31T^{2} \)
37 \( 1 + 1.58T + 37T^{2} \)
41 \( 1 + 3.46T + 41T^{2} \)
43 \( 1 + 6.20T + 43T^{2} \)
47 \( 1 - 12.5T + 47T^{2} \)
53 \( 1 + 6.16T + 53T^{2} \)
59 \( 1 - 4.41T + 59T^{2} \)
61 \( 1 + 7.02T + 61T^{2} \)
67 \( 1 + 13.5T + 67T^{2} \)
71 \( 1 - 8T + 71T^{2} \)
73 \( 1 + 15.6T + 73T^{2} \)
79 \( 1 + 6.10T + 79T^{2} \)
83 \( 1 + 15.8T + 83T^{2} \)
89 \( 1 + 12.7T + 89T^{2} \)
97 \( 1 - 13.5T + 97T^{2} \)
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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

−8.961141728269512000933405639242, −8.567818598711140134378710843602, −7.43972974842292416070929871181, −6.77576189680028128036350222253, −5.90035377489134746741733962481, −4.93798597166886794200732303506, −4.34268128937694396451511026996, −3.36491837104066295491228602189, −2.85481575084439255847491670854, −1.39153051891853688674389288951, 1.39153051891853688674389288951, 2.85481575084439255847491670854, 3.36491837104066295491228602189, 4.34268128937694396451511026996, 4.93798597166886794200732303506, 5.90035377489134746741733962481, 6.77576189680028128036350222253, 7.43972974842292416070929871181, 8.567818598711140134378710843602, 8.961141728269512000933405639242

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