Properties

Label 2-630-5.4-c1-0-12
Degree $2$
Conductor $630$
Sign $-0.447 + 0.894i$
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 + (1 − 2i)5-s i·7-s + i·8-s + (−2 − i)10-s + 6·11-s − 2i·13-s − 14-s + 16-s + 2i·17-s − 4·19-s + (−1 + 2i)20-s − 6i·22-s − 4i·23-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.5·4-s + (0.447 − 0.894i)5-s − 0.377i·7-s + 0.353i·8-s + (−0.632 − 0.316i)10-s + 1.80·11-s − 0.554i·13-s − 0.267·14-s + 0.250·16-s + 0.485i·17-s − 0.917·19-s + (−0.223 + 0.447i)20-s − 1.27i·22-s − 0.834i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(630\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 7\)
Sign: $-0.447 + 0.894i$
Analytic conductor: \(5.03057\)
Root analytic conductor: \(2.24289\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{630} (379, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 630,\ (\ :1/2),\ -0.447 + 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.812169 - 1.31411i\)
\(L(\frac12)\) \(\approx\) \(0.812169 - 1.31411i\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1 + 2i)T \)
7 \( 1 + iT \)
good11 \( 1 - 6T + 11T^{2} \)
13 \( 1 + 2iT - 13T^{2} \)
17 \( 1 - 2iT - 17T^{2} \)
19 \( 1 + 4T + 19T^{2} \)
23 \( 1 + 4iT - 23T^{2} \)
29 \( 1 + 2T + 29T^{2} \)
31 \( 1 + 2T + 31T^{2} \)
37 \( 1 + 10iT - 37T^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 - 2iT - 43T^{2} \)
47 \( 1 + 2iT - 47T^{2} \)
53 \( 1 - 6iT - 53T^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 + 12T + 61T^{2} \)
67 \( 1 - 10iT - 67T^{2} \)
71 \( 1 - 12T + 71T^{2} \)
73 \( 1 - 2iT - 73T^{2} \)
79 \( 1 - 16T + 79T^{2} \)
83 \( 1 + 12iT - 83T^{2} \)
89 \( 1 + 14T + 89T^{2} \)
97 \( 1 - 18iT - 97T^{2} \)
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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

−10.39094697653692057817685681562, −9.322654556411110186300742997320, −8.930246933645171070402983337038, −7.922833410990401390875616583805, −6.57705290408452007663423881668, −5.69666066139960334794565233813, −4.42263011885262614600908114881, −3.80379075719330917268802144199, −2.11128245900363896438612591366, −0.928398710149656900554118775543, 1.78645075304316138957678195879, 3.35291355479380674543971384468, 4.40069617765707568060614982719, 5.71922739888139986180958741545, 6.53880093670106255874040911690, 7.01494896659302406705491571136, 8.224895312960045316519149718886, 9.323450849642180450363379040455, 9.598799220156375974774715569831, 10.93331767654709263824327326425

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