Properties

Label 2-1870-1.1-c1-0-26
Degree $2$
Conductor $1870$
Sign $1$
Analytic cond. $14.9320$
Root an. cond. $3.86419$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 4-s + 5-s + 6-s + 4·7-s + 8-s − 2·9-s + 10-s − 11-s + 12-s − 13-s + 4·14-s + 15-s + 16-s + 17-s − 2·18-s + 3·19-s + 20-s + 4·21-s − 22-s + 4·23-s + 24-s + 25-s − 26-s − 5·27-s + 4·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s + 1.51·7-s + 0.353·8-s − 2/3·9-s + 0.316·10-s − 0.301·11-s + 0.288·12-s − 0.277·13-s + 1.06·14-s + 0.258·15-s + 1/4·16-s + 0.242·17-s − 0.471·18-s + 0.688·19-s + 0.223·20-s + 0.872·21-s − 0.213·22-s + 0.834·23-s + 0.204·24-s + 1/5·25-s − 0.196·26-s − 0.962·27-s + 0.755·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1870 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1870 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1870\)    =    \(2 \cdot 5 \cdot 11 \cdot 17\)
Sign: $1$
Analytic conductor: \(14.9320\)
Root analytic conductor: \(3.86419\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1870,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.062691327\)
\(L(\frac12)\) \(\approx\) \(4.062691327\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
5 \( 1 - T \)
11 \( 1 + T \)
17 \( 1 - T \)
good3 \( 1 - T + p T^{2} \)
7 \( 1 - 4 T + p T^{2} \)
13 \( 1 + T + p T^{2} \)
19 \( 1 - 3 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 - 3 T + p T^{2} \)
31 \( 1 + T + p T^{2} \)
37 \( 1 - 4 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 + 6 T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 - 3 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 + 7 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 + 9 T + p T^{2} \)
73 \( 1 + T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 10 T + p T^{2} \)
89 \( 1 - 15 T + p T^{2} \)
97 \( 1 + 13 T + p T^{2} \)
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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

−9.103012589818820410649420956528, −8.320789511186694692935191320463, −7.75207319723562503709582073052, −6.90303904163221676218740503085, −5.71909843611383028416257810756, −5.18862703822122146231150076515, −4.41831679463306347328383675326, −3.19858249719584221378025866955, −2.43238690622000985858603227220, −1.39303663972292066318624139099, 1.39303663972292066318624139099, 2.43238690622000985858603227220, 3.19858249719584221378025866955, 4.41831679463306347328383675326, 5.18862703822122146231150076515, 5.71909843611383028416257810756, 6.90303904163221676218740503085, 7.75207319723562503709582073052, 8.320789511186694692935191320463, 9.103012589818820410649420956528

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