Properties

Label 2-23-23.5-c2-0-1
Degree $2$
Conductor $23$
Sign $0.975 - 0.218i$
Analytic cond. $0.626704$
Root an. cond. $0.791646$
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  + (1.44 + 0.424i)2-s + (−0.590 + 0.680i)3-s + (−1.45 − 0.934i)4-s + (−1.77 − 0.255i)5-s + (−1.14 + 0.734i)6-s + (2.68 − 1.22i)7-s + (−5.65 − 6.52i)8-s + (1.16 + 8.10i)9-s + (−2.46 − 1.12i)10-s + (0.324 + 1.10i)11-s + (1.49 − 0.438i)12-s + (0.859 − 1.88i)13-s + (4.40 − 0.633i)14-s + (1.22 − 1.06i)15-s + (−2.53 − 5.55i)16-s + (12.8 + 19.9i)17-s + ⋯
L(s)  = 1  + (0.723 + 0.212i)2-s + (−0.196 + 0.226i)3-s + (−0.363 − 0.233i)4-s + (−0.355 − 0.0511i)5-s + (−0.190 + 0.122i)6-s + (0.383 − 0.175i)7-s + (−0.706 − 0.815i)8-s + (0.129 + 0.900i)9-s + (−0.246 − 0.112i)10-s + (0.0295 + 0.100i)11-s + (0.124 − 0.0365i)12-s + (0.0661 − 0.144i)13-s + (0.314 − 0.0452i)14-s + (0.0815 − 0.0706i)15-s + (−0.158 − 0.346i)16-s + (0.754 + 1.17i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.975 - 0.218i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.975 - 0.218i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $0.975 - 0.218i$
Analytic conductor: \(0.626704\)
Root analytic conductor: \(0.791646\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (5, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :1),\ 0.975 - 0.218i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.04176 + 0.115117i\)
\(L(\frac12)\) \(\approx\) \(1.04176 + 0.115117i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (22.9 - 1.37i)T \)
good2 \( 1 + (-1.44 - 0.424i)T + (3.36 + 2.16i)T^{2} \)
3 \( 1 + (0.590 - 0.680i)T + (-1.28 - 8.90i)T^{2} \)
5 \( 1 + (1.77 + 0.255i)T + (23.9 + 7.04i)T^{2} \)
7 \( 1 + (-2.68 + 1.22i)T + (32.0 - 37.0i)T^{2} \)
11 \( 1 + (-0.324 - 1.10i)T + (-101. + 65.4i)T^{2} \)
13 \( 1 + (-0.859 + 1.88i)T + (-110. - 127. i)T^{2} \)
17 \( 1 + (-12.8 - 19.9i)T + (-120. + 262. i)T^{2} \)
19 \( 1 + (-16.8 + 26.2i)T + (-149. - 328. i)T^{2} \)
29 \( 1 + (13.4 - 8.65i)T + (349. - 765. i)T^{2} \)
31 \( 1 + (25.8 + 29.7i)T + (-136. + 951. i)T^{2} \)
37 \( 1 + (-59.3 + 8.53i)T + (1.31e3 - 385. i)T^{2} \)
41 \( 1 + (3.46 - 24.0i)T + (-1.61e3 - 473. i)T^{2} \)
43 \( 1 + (-6.13 - 5.31i)T + (263. + 1.83e3i)T^{2} \)
47 \( 1 - 58.1T + 2.20e3T^{2} \)
53 \( 1 + (36.3 - 16.6i)T + (1.83e3 - 2.12e3i)T^{2} \)
59 \( 1 + (-19.0 + 41.7i)T + (-2.27e3 - 2.63e3i)T^{2} \)
61 \( 1 + (-42.6 + 36.9i)T + (529. - 3.68e3i)T^{2} \)
67 \( 1 + (22.4 - 76.5i)T + (-3.77e3 - 2.42e3i)T^{2} \)
71 \( 1 + (58.8 + 17.2i)T + (4.24e3 + 2.72e3i)T^{2} \)
73 \( 1 + (-80.6 - 51.8i)T + (2.21e3 + 4.84e3i)T^{2} \)
79 \( 1 + (-19.8 - 9.05i)T + (4.08e3 + 4.71e3i)T^{2} \)
83 \( 1 + (-59.7 + 8.59i)T + (6.60e3 - 1.94e3i)T^{2} \)
89 \( 1 + (52.9 + 45.8i)T + (1.12e3 + 7.84e3i)T^{2} \)
97 \( 1 + (83.0 + 11.9i)T + (9.02e3 + 2.65e3i)T^{2} \)
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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

−17.66054105977335365903287743954, −16.21272647089582150461702723818, −15.10677953159637770723398832683, −13.93883774949076036462839748538, −12.83194099127088298920040808342, −11.23630765385808139432898026050, −9.729991637754150206926398507721, −7.81773480421544286083125359818, −5.66799309611214080007374264712, −4.22323033725125680272881102627, 3.71539445484542069488124611256, 5.62983546690853782426384080275, 7.78289322023017320713655507147, 9.477618758638267987107619138920, 11.68505638783037680409911153035, 12.27959728766015304732282872436, 13.82080361468241694309877067007, 14.78680582450645105578039902774, 16.33260205434929697196775701224, 17.87133957421723456568824758289

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