Properties

Label 2-1815-1.1-c1-0-64
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  + 2.70·2-s + 3-s + 5.34·4-s + 5-s + 2.70·6-s − 1.07·7-s + 9.04·8-s + 9-s + 2.70·10-s + 5.34·12-s + 4.34·13-s − 2.92·14-s + 15-s + 13.8·16-s − 7.75·17-s + 2.70·18-s − 5.26·19-s + 5.34·20-s − 1.07·21-s − 2.15·23-s + 9.04·24-s + 25-s + 11.7·26-s + 27-s − 5.75·28-s − 1.41·29-s + 2.70·30-s + ⋯
L(s)  = 1  + 1.91·2-s + 0.577·3-s + 2.67·4-s + 0.447·5-s + 1.10·6-s − 0.407·7-s + 3.19·8-s + 0.333·9-s + 0.856·10-s + 1.54·12-s + 1.20·13-s − 0.780·14-s + 0.258·15-s + 3.45·16-s − 1.88·17-s + 0.638·18-s − 1.20·19-s + 1.19·20-s − 0.235·21-s − 0.449·23-s + 1.84·24-s + 0.200·25-s + 2.30·26-s + 0.192·27-s − 1.08·28-s − 0.263·29-s + 0.494·30-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

\(L(1)\) \(\approx\) \(7.328020696\)
\(L(\frac12)\) \(\approx\) \(7.328020696\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.70T + 2T^{2} \)
7 \( 1 + 1.07T + 7T^{2} \)
13 \( 1 - 4.34T + 13T^{2} \)
17 \( 1 + 7.75T + 17T^{2} \)
19 \( 1 + 5.26T + 19T^{2} \)
23 \( 1 + 2.15T + 23T^{2} \)
29 \( 1 + 1.41T + 29T^{2} \)
31 \( 1 + 4.68T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 9.41T + 41T^{2} \)
43 \( 1 + 7.60T + 43T^{2} \)
47 \( 1 - 4.68T + 47T^{2} \)
53 \( 1 - 0.156T + 53T^{2} \)
59 \( 1 - 6.15T + 59T^{2} \)
61 \( 1 - 4.15T + 61T^{2} \)
67 \( 1 + 8.68T + 67T^{2} \)
71 \( 1 + 4.68T + 71T^{2} \)
73 \( 1 - 10.4T + 73T^{2} \)
79 \( 1 - 8.09T + 79T^{2} \)
83 \( 1 - 11.0T + 83T^{2} \)
89 \( 1 + 12.8T + 89T^{2} \)
97 \( 1 - 14.6T + 97T^{2} \)
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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

−9.184055150260394680022112465231, −8.417074726670171228732884791717, −7.30969757836230906365548789429, −6.40870015602004296514712804773, −6.18784451316645286782615283200, −5.04916161274286318029216841143, −4.14849204192772368969300782728, −3.61665316948219825277698527930, −2.49282677479250398565505451754, −1.84048687588972411031430750988, 1.84048687588972411031430750988, 2.49282677479250398565505451754, 3.61665316948219825277698527930, 4.14849204192772368969300782728, 5.04916161274286318029216841143, 6.18784451316645286782615283200, 6.40870015602004296514712804773, 7.30969757836230906365548789429, 8.417074726670171228732884791717, 9.184055150260394680022112465231

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