Properties

Label 2-23-23.7-c2-0-0
Degree $2$
Conductor $23$
Sign $-0.380 - 0.924i$
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  + (−1.38 + 1.59i)2-s + (−3.80 + 2.44i)3-s + (−0.0656 − 0.456i)4-s + (6.26 − 2.85i)5-s + (1.35 − 9.45i)6-s + (2.54 + 8.65i)7-s + (−6.28 − 4.04i)8-s + (4.75 − 10.4i)9-s + (−4.09 + 13.9i)10-s + (5.67 − 4.91i)11-s + (1.36 + 1.57i)12-s + (1.51 + 0.444i)13-s + (−17.3 − 7.91i)14-s + (−16.8 + 26.1i)15-s + (16.9 − 4.96i)16-s + (−2.21 − 0.318i)17-s + ⋯
L(s)  = 1  + (−0.691 + 0.798i)2-s + (−1.26 + 0.814i)3-s + (−0.0164 − 0.114i)4-s + (1.25 − 0.571i)5-s + (0.226 − 1.57i)6-s + (0.363 + 1.23i)7-s + (−0.785 − 0.505i)8-s + (0.527 − 1.15i)9-s + (−0.409 + 1.39i)10-s + (0.515 − 0.447i)11-s + (0.113 + 0.131i)12-s + (0.116 + 0.0342i)13-s + (−1.23 − 0.565i)14-s + (−1.12 + 1.74i)15-s + (1.05 − 0.310i)16-s + (−0.130 − 0.0187i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.380 - 0.924i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.380 - 0.924i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $-0.380 - 0.924i$
Analytic conductor: \(0.626704\)
Root analytic conductor: \(0.791646\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (7, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :1),\ -0.380 - 0.924i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.313339 + 0.467754i\)
\(L(\frac12)\) \(\approx\) \(0.313339 + 0.467754i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (-6.76 + 21.9i)T \)
good2 \( 1 + (1.38 - 1.59i)T + (-0.569 - 3.95i)T^{2} \)
3 \( 1 + (3.80 - 2.44i)T + (3.73 - 8.18i)T^{2} \)
5 \( 1 + (-6.26 + 2.85i)T + (16.3 - 18.8i)T^{2} \)
7 \( 1 + (-2.54 - 8.65i)T + (-41.2 + 26.4i)T^{2} \)
11 \( 1 + (-5.67 + 4.91i)T + (17.2 - 119. i)T^{2} \)
13 \( 1 + (-1.51 - 0.444i)T + (142. + 91.3i)T^{2} \)
17 \( 1 + (2.21 + 0.318i)T + (277. + 81.4i)T^{2} \)
19 \( 1 + (-8.82 + 1.26i)T + (346. - 101. i)T^{2} \)
29 \( 1 + (4.03 - 28.0i)T + (-806. - 236. i)T^{2} \)
31 \( 1 + (40.2 + 25.8i)T + (399. + 874. i)T^{2} \)
37 \( 1 + (-31.8 - 14.5i)T + (896. + 1.03e3i)T^{2} \)
41 \( 1 + (9.80 + 21.4i)T + (-1.10e3 + 1.27e3i)T^{2} \)
43 \( 1 + (-16.4 - 25.5i)T + (-768. + 1.68e3i)T^{2} \)
47 \( 1 + 62.7T + 2.20e3T^{2} \)
53 \( 1 + (7.57 + 25.8i)T + (-2.36e3 + 1.51e3i)T^{2} \)
59 \( 1 + (-44.5 - 13.0i)T + (2.92e3 + 1.88e3i)T^{2} \)
61 \( 1 + (-41.2 + 64.1i)T + (-1.54e3 - 3.38e3i)T^{2} \)
67 \( 1 + (42.4 + 36.7i)T + (638. + 4.44e3i)T^{2} \)
71 \( 1 + (41.1 - 47.4i)T + (-717. - 4.98e3i)T^{2} \)
73 \( 1 + (9.65 + 67.1i)T + (-5.11e3 + 1.50e3i)T^{2} \)
79 \( 1 + (18.1 - 61.7i)T + (-5.25e3 - 3.37e3i)T^{2} \)
83 \( 1 + (51.8 + 23.6i)T + (4.51e3 + 5.20e3i)T^{2} \)
89 \( 1 + (25.6 + 39.8i)T + (-3.29e3 + 7.20e3i)T^{2} \)
97 \( 1 + (112. - 51.3i)T + (6.16e3 - 7.11e3i)T^{2} \)
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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

−17.72181540099004643191007721788, −16.75955248543794914407373064218, −16.16608508643368501278461297387, −14.80748018756301867845488854947, −12.69949433113958177079206539846, −11.40060053173278964420910360836, −9.673178327808036226137985514018, −8.773066199674099715397114750120, −6.25046989440639473602576980442, −5.32971370510433500814029524432, 1.46813513815667992899871326013, 5.75572916446322716921709034816, 7.09804639594227822977154384392, 9.696090886471768696510023291548, 10.72381577479829092112324120196, 11.60703771056307806026666795662, 13.19775952555330102801980688754, 14.44258418726199525371280719992, 16.88502796917604461632357942826, 17.72582996052307561432126031680

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