Properties

Label 2-630-21.20-c1-0-10
Degree $2$
Conductor $630$
Sign $-0.547 + 0.836i$
Analytic cond. $5.03057$
Root an. cond. $2.24289$
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  i·2-s − 4-s − 5-s + (0.0951 + 2.64i)7-s + i·8-s + i·10-s − 5.28i·11-s − 2.19i·13-s + (2.64 − 0.0951i)14-s + 16-s + 1.04·17-s − 6.43i·19-s + 20-s − 5.28·22-s − 7.47i·23-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.5·4-s − 0.447·5-s + (0.0359 + 0.999i)7-s + 0.353i·8-s + 0.316i·10-s − 1.59i·11-s − 0.607i·13-s + (0.706 − 0.0254i)14-s + 0.250·16-s + 0.253·17-s − 1.47i·19-s + 0.223·20-s − 1.12·22-s − 1.55i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.547 + 0.836i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.547 + 0.836i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(630\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 7\)
Sign: $-0.547 + 0.836i$
Analytic conductor: \(5.03057\)
Root analytic conductor: \(2.24289\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{630} (251, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 630,\ (\ :1/2),\ -0.547 + 0.836i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.501506 - 0.927563i\)
\(L(\frac12)\) \(\approx\) \(0.501506 - 0.927563i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + iT \)
3 \( 1 \)
5 \( 1 + T \)
7 \( 1 + (-0.0951 - 2.64i)T \)
good11 \( 1 + 5.28iT - 11T^{2} \)
13 \( 1 + 2.19iT - 13T^{2} \)
17 \( 1 - 1.04T + 17T^{2} \)
19 \( 1 + 6.43iT - 19T^{2} \)
23 \( 1 + 7.47iT - 23T^{2} \)
29 \( 1 + 7.47iT - 29T^{2} \)
31 \( 1 - 9.09iT - 31T^{2} \)
37 \( 1 + 0.855T + 37T^{2} \)
41 \( 1 + 2.19T + 41T^{2} \)
43 \( 1 + 0.954T + 43T^{2} \)
47 \( 1 - 11.0T + 47T^{2} \)
53 \( 1 - 3.09iT - 53T^{2} \)
59 \( 1 + 13.7T + 59T^{2} \)
61 \( 1 + 8.05iT - 61T^{2} \)
67 \( 1 - 5.33T + 67T^{2} \)
71 \( 1 - 6.43iT - 71T^{2} \)
73 \( 1 + 4.57iT - 73T^{2} \)
79 \( 1 - 15.6T + 79T^{2} \)
83 \( 1 - 4.38T + 83T^{2} \)
89 \( 1 + 4.28T + 89T^{2} \)
97 \( 1 - 11.8iT - 97T^{2} \)
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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

−10.63245892449269262124813157206, −9.327423894370249965411020894520, −8.624930495207706022931171028632, −8.055264234126454044889623726036, −6.58268986725538445615267625553, −5.60881974478670581297570903430, −4.65610098328064205502335816571, −3.29527547884879116520987595398, −2.55824511298888357705544286123, −0.60619823231526538509081284876, 1.60761816954736093413909103462, 3.67052015898075259734340120727, 4.35355590436271857732303902329, 5.42475118598656336624505263003, 6.65602831224626124036153828677, 7.48057088512620221383927999821, 7.83875994877388881390425979040, 9.225714035218589971537542661146, 9.888322112958456355415363967745, 10.72565824892128268903805128763

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