Properties

Label 2-3870-1.1-c1-0-26
Degree $2$
Conductor $3870$
Sign $1$
Analytic cond. $30.9021$
Root an. cond. $5.55896$
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 + 4-s + 5-s − 7-s − 8-s − 10-s + 6·11-s + 5·13-s + 14-s + 16-s + 6·17-s − 7·19-s + 20-s − 6·22-s + 6·23-s + 25-s − 5·26-s − 28-s + 3·29-s + 5·31-s − 32-s − 6·34-s − 35-s + 2·37-s + 7·38-s − 40-s + 3·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 0.447·5-s − 0.377·7-s − 0.353·8-s − 0.316·10-s + 1.80·11-s + 1.38·13-s + 0.267·14-s + 1/4·16-s + 1.45·17-s − 1.60·19-s + 0.223·20-s − 1.27·22-s + 1.25·23-s + 1/5·25-s − 0.980·26-s − 0.188·28-s + 0.557·29-s + 0.898·31-s − 0.176·32-s − 1.02·34-s − 0.169·35-s + 0.328·37-s + 1.13·38-s − 0.158·40-s + 0.468·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3870 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3870 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3870\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 43\)
Sign: $1$
Analytic conductor: \(30.9021\)
Root analytic conductor: \(5.55896\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3870,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.882259040\)
\(L(\frac12)\) \(\approx\) \(1.882259040\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 + T \)
3 \( 1 \)
5 \( 1 - T \)
43 \( 1 - T \)
good7 \( 1 + T + p T^{2} \) 1.7.b
11 \( 1 - 6 T + p T^{2} \) 1.11.ag
13 \( 1 - 5 T + p T^{2} \) 1.13.af
17 \( 1 - 6 T + p T^{2} \) 1.17.ag
19 \( 1 + 7 T + p T^{2} \) 1.19.h
23 \( 1 - 6 T + p T^{2} \) 1.23.ag
29 \( 1 - 3 T + p T^{2} \) 1.29.ad
31 \( 1 - 5 T + p T^{2} \) 1.31.af
37 \( 1 - 2 T + p T^{2} \) 1.37.ac
41 \( 1 - 3 T + p T^{2} \) 1.41.ad
47 \( 1 + 12 T + p T^{2} \) 1.47.m
53 \( 1 + 6 T + p T^{2} \) 1.53.g
59 \( 1 - 12 T + p T^{2} \) 1.59.am
61 \( 1 + T + p T^{2} \) 1.61.b
67 \( 1 + 13 T + p T^{2} \) 1.67.n
71 \( 1 + 12 T + p T^{2} \) 1.71.m
73 \( 1 - 11 T + p T^{2} \) 1.73.al
79 \( 1 + T + p T^{2} \) 1.79.b
83 \( 1 + p T^{2} \) 1.83.a
89 \( 1 + 6 T + p T^{2} \) 1.89.g
97 \( 1 - 8 T + p T^{2} \) 1.97.ai
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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

−8.640202072953454893453217345019, −7.949761306863157061468193541406, −6.79914965008608226177367078923, −6.40980822725043462065245229339, −5.88732603126508792527143938283, −4.63405673704144098615454524250, −3.69352530542186200833247954335, −2.97279591161022765039706354296, −1.61453512857505661060721008377, −0.990101204987624459755574484830, 0.990101204987624459755574484830, 1.61453512857505661060721008377, 2.97279591161022765039706354296, 3.69352530542186200833247954335, 4.63405673704144098615454524250, 5.88732603126508792527143938283, 6.40980822725043462065245229339, 6.79914965008608226177367078923, 7.949761306863157061468193541406, 8.640202072953454893453217345019

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