Properties

Label 2-420-105.104-c1-0-0
Degree $2$
Conductor $420$
Sign $-0.984 - 0.177i$
Analytic cond. $3.35371$
Root an. cond. $1.83131$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.306 + 1.70i)3-s − 2.23i·5-s − 2.64·7-s + (−2.81 − 1.04i)9-s + 5.55i·11-s − 7.13·13-s + (3.81 + 0.686i)15-s + 5.75i·17-s + (0.811 − 4.51i)21-s − 5.00·25-s + (2.64 − 4.47i)27-s − 4.83i·29-s + (−9.47 − 1.70i)33-s + 5.91i·35-s + (2.18 − 12.1i)39-s + ⋯
L(s)  = 1  + (−0.177 + 0.984i)3-s − 0.999i·5-s − 0.999·7-s + (−0.937 − 0.348i)9-s + 1.67i·11-s − 1.97·13-s + (0.984 + 0.177i)15-s + 1.39i·17-s + (0.177 − 0.984i)21-s − 1.00·25-s + (0.509 − 0.860i)27-s − 0.898i·29-s + (−1.64 − 0.296i)33-s + 0.999i·35-s + (0.350 − 1.94i)39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 420 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.984 - 0.177i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 420 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.984 - 0.177i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(420\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 7\)
Sign: $-0.984 - 0.177i$
Analytic conductor: \(3.35371\)
Root analytic conductor: \(1.83131\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{420} (209, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 420,\ (\ :1/2),\ -0.984 - 0.177i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0349801 + 0.391829i\)
\(L(\frac12)\) \(\approx\) \(0.0349801 + 0.391829i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + (0.306 - 1.70i)T \)
5 \( 1 + 2.23iT \)
7 \( 1 + 2.64T \)
good11 \( 1 - 5.55iT - 11T^{2} \)
13 \( 1 + 7.13T + 13T^{2} \)
17 \( 1 - 5.75iT - 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 4.83iT - 29T^{2} \)
31 \( 1 - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 1.28iT - 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 - 11.8iT - 71T^{2} \)
73 \( 1 - 10.5T + 73T^{2} \)
79 \( 1 + 14.8T + 79T^{2} \)
83 \( 1 - 8.94iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 + 3.45T + 97T^{2} \)
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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

−11.83030861425402415835958010254, −10.29846349489509246421256036051, −9.808702195792582948058732412329, −9.282446906876250854284277317164, −8.079419929695781593833779365362, −6.93692220471899723166970929012, −5.68201138943653546307325450437, −4.72239586227073303139225945460, −4.00397135561091804625749287047, −2.34990426959743064682394155769, 0.23634740721162059578479406979, 2.59097488355916364631837655215, 3.20664320995408163426210770499, 5.23912130531775292259945900409, 6.23497771748452649995738907085, 7.03321583910775162353209466043, 7.65484313001498072524721057476, 8.965746885365200634069502335145, 9.914380477471647474095951518734, 10.92016434696900991670250038348

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