Properties

Label 2-1815-1.1-c1-0-44
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  + 2.48·2-s − 3-s + 4.15·4-s − 5-s − 2.48·6-s + 4.39·7-s + 5.33·8-s + 9-s − 2.48·10-s − 4.15·12-s + 2.13·13-s + 10.8·14-s + 15-s + 4.92·16-s − 3.96·17-s + 2.48·18-s + 2.15·19-s − 4.15·20-s − 4.39·21-s + 5.16·23-s − 5.33·24-s + 25-s + 5.30·26-s − 27-s + 18.2·28-s − 7.93·29-s + 2.48·30-s + ⋯
L(s)  = 1  + 1.75·2-s − 0.577·3-s + 2.07·4-s − 0.447·5-s − 1.01·6-s + 1.66·7-s + 1.88·8-s + 0.333·9-s − 0.784·10-s − 1.19·12-s + 0.592·13-s + 2.91·14-s + 0.258·15-s + 1.23·16-s − 0.960·17-s + 0.584·18-s + 0.493·19-s − 0.928·20-s − 0.959·21-s + 1.07·23-s − 1.08·24-s + 0.200·25-s + 1.03·26-s − 0.192·27-s + 3.44·28-s − 1.47·29-s + 0.452·30-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

\(L(1)\) \(\approx\) \(4.746905395\)
\(L(\frac12)\) \(\approx\) \(4.746905395\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.48T + 2T^{2} \)
7 \( 1 - 4.39T + 7T^{2} \)
13 \( 1 - 2.13T + 13T^{2} \)
17 \( 1 + 3.96T + 17T^{2} \)
19 \( 1 - 2.15T + 19T^{2} \)
23 \( 1 - 5.16T + 23T^{2} \)
29 \( 1 + 7.93T + 29T^{2} \)
31 \( 1 - 6.19T + 31T^{2} \)
37 \( 1 + 8.57T + 37T^{2} \)
41 \( 1 - 7.63T + 41T^{2} \)
43 \( 1 - 2.22T + 43T^{2} \)
47 \( 1 - 6.88T + 47T^{2} \)
53 \( 1 + 5.69T + 53T^{2} \)
59 \( 1 - 3.78T + 59T^{2} \)
61 \( 1 + 4.83T + 61T^{2} \)
67 \( 1 - 9.57T + 67T^{2} \)
71 \( 1 + 2.11T + 71T^{2} \)
73 \( 1 - 14.6T + 73T^{2} \)
79 \( 1 + 3.26T + 79T^{2} \)
83 \( 1 + 10.6T + 83T^{2} \)
89 \( 1 + 7.64T + 89T^{2} \)
97 \( 1 + 5.67T + 97T^{2} \)
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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

−9.185903782246689204547663847173, −8.212072931637460373192906693008, −7.36054014831588814383937273340, −6.70926194223653779077236606142, −5.67218186946419842940241942556, −5.11553052583674043942446245898, −4.42674382107166998849966934135, −3.76747804988242374666150396607, −2.49613713349009486147949459230, −1.37495595317750642924356249765, 1.37495595317750642924356249765, 2.49613713349009486147949459230, 3.76747804988242374666150396607, 4.42674382107166998849966934135, 5.11553052583674043942446245898, 5.67218186946419842940241942556, 6.70926194223653779077236606142, 7.36054014831588814383937273340, 8.212072931637460373192906693008, 9.185903782246689204547663847173

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