Properties

Label 2-722-19.18-c2-0-10
Degree $2$
Conductor $722$
Sign $0.397 - 0.917i$
Analytic cond. $19.6730$
Root an. cond. $4.43543$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.41i·2-s − 0.317i·3-s − 2.00·4-s − 5-s − 0.449·6-s − 2.89·7-s + 2.82i·8-s + 8.89·9-s + 1.41i·10-s − 5.10·11-s + 0.635i·12-s − 0.174i·13-s + 4.09i·14-s + 0.317i·15-s + 4.00·16-s − 11.8·17-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.105i·3-s − 0.500·4-s − 0.200·5-s − 0.0749·6-s − 0.414·7-s + 0.353i·8-s + 0.988·9-s + 0.141i·10-s − 0.463·11-s + 0.0529i·12-s − 0.0134i·13-s + 0.292i·14-s + 0.0211i·15-s + 0.250·16-s − 0.699·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 722 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.397 - 0.917i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 722 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.397 - 0.917i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(722\)    =    \(2 \cdot 19^{2}\)
Sign: $0.397 - 0.917i$
Analytic conductor: \(19.6730\)
Root analytic conductor: \(4.43543\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{722} (721, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 722,\ (\ :1),\ 0.397 - 0.917i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.7500191370\)
\(L(\frac12)\) \(\approx\) \(0.7500191370\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 1.41iT \)
19 \( 1 \)
good3 \( 1 + 0.317iT - 9T^{2} \)
5 \( 1 + T + 25T^{2} \)
7 \( 1 + 2.89T + 49T^{2} \)
11 \( 1 + 5.10T + 121T^{2} \)
13 \( 1 + 0.174iT - 169T^{2} \)
17 \( 1 + 11.8T + 289T^{2} \)
23 \( 1 + 17.0T + 529T^{2} \)
29 \( 1 - 44.5iT - 841T^{2} \)
31 \( 1 - 31.1iT - 961T^{2} \)
37 \( 1 + 21.9iT - 1.36e3T^{2} \)
41 \( 1 - 54.2iT - 1.68e3T^{2} \)
43 \( 1 - 37.3T + 1.84e3T^{2} \)
47 \( 1 - 81.5T + 2.20e3T^{2} \)
53 \( 1 - 55.7iT - 2.80e3T^{2} \)
59 \( 1 - 34.5iT - 3.48e3T^{2} \)
61 \( 1 + 76.1T + 3.72e3T^{2} \)
67 \( 1 - 118. iT - 4.48e3T^{2} \)
71 \( 1 + 75.6iT - 5.04e3T^{2} \)
73 \( 1 - 29.3T + 5.32e3T^{2} \)
79 \( 1 - 66.0iT - 6.24e3T^{2} \)
83 \( 1 + 30.6T + 6.88e3T^{2} \)
89 \( 1 + 10.2iT - 7.92e3T^{2} \)
97 \( 1 - 148. iT - 9.40e3T^{2} \)
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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

−10.44895886163271516646243801829, −9.633295195862110667461960531350, −8.843196208804205606022009741539, −7.78051196449810483673830162411, −6.97064145008781681089415588150, −5.84290674813267589589922719877, −4.65361190657621217036803670537, −3.82325923405605806575322411178, −2.63547901292122259358084912359, −1.37343174383498841069561776729, 0.27107160892860222670693756454, 2.17957430998056915006776979044, 3.81238123437747049055135582912, 4.48892659030209703971524810850, 5.72048269293709133117201834305, 6.51609742379758545177083179368, 7.50211864866466475700185501424, 8.073022984479922893785274081864, 9.266471151092426764479241198716, 9.863825680466408809676106446823

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