Properties

Label 2-63-21.17-c7-0-2
Degree $2$
Conductor $63$
Sign $-0.996 - 0.0882i$
Analytic cond. $19.6802$
Root an. cond. $4.43624$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (4.38 − 2.52i)2-s + (−51.2 + 88.6i)4-s + (258. + 447. i)5-s + (−900. − 111. i)7-s + 1.16e3i·8-s + (2.26e3 + 1.30e3i)10-s + (−4.61e3 − 2.66e3i)11-s − 5.26e3i·13-s + (−4.22e3 + 1.78e3i)14-s + (−3.60e3 − 6.24e3i)16-s + (1.24e4 − 2.14e4i)17-s + (−1.31e4 + 7.58e3i)19-s − 5.28e4·20-s − 2.69e4·22-s + (−3.34e4 + 1.93e4i)23-s + ⋯
L(s)  = 1  + (0.387 − 0.223i)2-s + (−0.400 + 0.692i)4-s + (0.923 + 1.60i)5-s + (−0.992 − 0.122i)7-s + 0.804i·8-s + (0.715 + 0.413i)10-s + (−1.04 − 0.604i)11-s − 0.664i·13-s + (−0.411 + 0.174i)14-s + (−0.220 − 0.381i)16-s + (0.612 − 1.06i)17-s + (−0.439 + 0.253i)19-s − 1.47·20-s − 0.540·22-s + (−0.573 + 0.330i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 63 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.996 - 0.0882i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 63 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.996 - 0.0882i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(63\)    =    \(3^{2} \cdot 7\)
Sign: $-0.996 - 0.0882i$
Analytic conductor: \(19.6802\)
Root analytic conductor: \(4.43624\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{63} (17, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 63,\ (\ :7/2),\ -0.996 - 0.0882i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.0407364 + 0.921221i\)
\(L(\frac12)\) \(\approx\) \(0.0407364 + 0.921221i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 + (900. + 111. i)T \)
good2 \( 1 + (-4.38 + 2.52i)T + (64 - 110. i)T^{2} \)
5 \( 1 + (-258. - 447. i)T + (-3.90e4 + 6.76e4i)T^{2} \)
11 \( 1 + (4.61e3 + 2.66e3i)T + (9.74e6 + 1.68e7i)T^{2} \)
13 \( 1 + 5.26e3iT - 6.27e7T^{2} \)
17 \( 1 + (-1.24e4 + 2.14e4i)T + (-2.05e8 - 3.55e8i)T^{2} \)
19 \( 1 + (1.31e4 - 7.58e3i)T + (4.46e8 - 7.74e8i)T^{2} \)
23 \( 1 + (3.34e4 - 1.93e4i)T + (1.70e9 - 2.94e9i)T^{2} \)
29 \( 1 - 1.86e4iT - 1.72e10T^{2} \)
31 \( 1 + (-1.43e5 - 8.29e4i)T + (1.37e10 + 2.38e10i)T^{2} \)
37 \( 1 + (-2.32e5 - 4.03e5i)T + (-4.74e10 + 8.22e10i)T^{2} \)
41 \( 1 + 4.66e5T + 1.94e11T^{2} \)
43 \( 1 + 8.92e5T + 2.71e11T^{2} \)
47 \( 1 + (-3.95e4 - 6.84e4i)T + (-2.53e11 + 4.38e11i)T^{2} \)
53 \( 1 + (1.81e5 + 1.04e5i)T + (5.87e11 + 1.01e12i)T^{2} \)
59 \( 1 + (1.11e6 - 1.93e6i)T + (-1.24e12 - 2.15e12i)T^{2} \)
61 \( 1 + (-2.06e6 + 1.19e6i)T + (1.57e12 - 2.72e12i)T^{2} \)
67 \( 1 + (1.12e6 - 1.95e6i)T + (-3.03e12 - 5.24e12i)T^{2} \)
71 \( 1 - 1.19e5iT - 9.09e12T^{2} \)
73 \( 1 + (-8.45e4 - 4.88e4i)T + (5.52e12 + 9.56e12i)T^{2} \)
79 \( 1 + (7.02e5 + 1.21e6i)T + (-9.60e12 + 1.66e13i)T^{2} \)
83 \( 1 - 1.04e6T + 2.71e13T^{2} \)
89 \( 1 + (7.51e5 + 1.30e6i)T + (-2.21e13 + 3.83e13i)T^{2} \)
97 \( 1 - 1.54e7iT - 8.07e13T^{2} \)
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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

−13.62364799057132313523127814898, −13.35684939346327433210772123849, −11.86017203574326495767340869043, −10.51824204601392542675195861907, −9.771512117941808376691408170620, −8.013992310051067077284238882992, −6.71168820724203040840662061446, −5.45239534988942456752245231339, −3.26192391977792640937406494267, −2.73795764606513754916118380939, 0.27837172180552514955990269069, 1.84753978555022263172973002523, 4.32760514685581702686362761671, 5.41929673630405794981648448073, 6.34841484300804819471960030620, 8.450032134327731704270978982132, 9.608189584789226492628475380898, 10.16392755248985405798963039857, 12.43750597392742342827739224851, 13.02565959179878459444200362476

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