Properties

Label 2-23-23.16-c1-0-0
Degree $2$
Conductor $23$
Sign $0.723 - 0.690i$
Analytic cond. $0.183655$
Root an. cond. $0.428550$
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  + (−1.04 + 1.20i)2-s + (0.198 − 0.127i)3-s + (−0.0771 − 0.536i)4-s + (−1.33 − 2.91i)5-s + (−0.0536 + 0.373i)6-s + (0.874 − 0.256i)7-s + (−1.95 − 1.25i)8-s + (−1.22 + 2.67i)9-s + (4.90 + 1.43i)10-s + (2.87 + 3.32i)11-s + (−0.0839 − 0.0968i)12-s + (−3.55 − 1.04i)13-s + (−0.603 + 1.32i)14-s + (−0.637 − 0.409i)15-s + (4.59 − 1.34i)16-s + (0.0287 − 0.199i)17-s + ⋯
L(s)  = 1  + (−0.738 + 0.852i)2-s + (0.114 − 0.0738i)3-s + (−0.0385 − 0.268i)4-s + (−0.595 − 1.30i)5-s + (−0.0219 + 0.152i)6-s + (0.330 − 0.0970i)7-s + (−0.691 − 0.444i)8-s + (−0.407 + 0.892i)9-s + (1.54 + 0.455i)10-s + (0.868 + 1.00i)11-s + (−0.0242 − 0.0279i)12-s + (−0.986 − 0.289i)13-s + (−0.161 + 0.353i)14-s + (−0.164 − 0.105i)15-s + (1.14 − 0.337i)16-s + (0.00697 − 0.0485i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.723 - 0.690i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.723 - 0.690i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $0.723 - 0.690i$
Analytic conductor: \(0.183655\)
Root analytic conductor: \(0.428550\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (16, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :1/2),\ 0.723 - 0.690i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.429518 + 0.172085i\)
\(L(\frac12)\) \(\approx\) \(0.429518 + 0.172085i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (-3.35 - 3.42i)T \)
good2 \( 1 + (1.04 - 1.20i)T + (-0.284 - 1.97i)T^{2} \)
3 \( 1 + (-0.198 + 0.127i)T + (1.24 - 2.72i)T^{2} \)
5 \( 1 + (1.33 + 2.91i)T + (-3.27 + 3.77i)T^{2} \)
7 \( 1 + (-0.874 + 0.256i)T + (5.88 - 3.78i)T^{2} \)
11 \( 1 + (-2.87 - 3.32i)T + (-1.56 + 10.8i)T^{2} \)
13 \( 1 + (3.55 + 1.04i)T + (10.9 + 7.02i)T^{2} \)
17 \( 1 + (-0.0287 + 0.199i)T + (-16.3 - 4.78i)T^{2} \)
19 \( 1 + (0.498 + 3.46i)T + (-18.2 + 5.35i)T^{2} \)
29 \( 1 + (-0.339 + 2.36i)T + (-27.8 - 8.17i)T^{2} \)
31 \( 1 + (-3.00 - 1.93i)T + (12.8 + 28.1i)T^{2} \)
37 \( 1 + (-2.46 + 5.39i)T + (-24.2 - 27.9i)T^{2} \)
41 \( 1 + (1.56 + 3.42i)T + (-26.8 + 30.9i)T^{2} \)
43 \( 1 + (4.40 - 2.83i)T + (17.8 - 39.1i)T^{2} \)
47 \( 1 + 8.39T + 47T^{2} \)
53 \( 1 + (-4.09 + 1.20i)T + (44.5 - 28.6i)T^{2} \)
59 \( 1 + (-2.96 - 0.870i)T + (49.6 + 31.8i)T^{2} \)
61 \( 1 + (1.20 + 0.771i)T + (25.3 + 55.4i)T^{2} \)
67 \( 1 + (-3.65 + 4.21i)T + (-9.53 - 66.3i)T^{2} \)
71 \( 1 + (-0.868 + 1.00i)T + (-10.1 - 70.2i)T^{2} \)
73 \( 1 + (-1.41 - 9.84i)T + (-70.0 + 20.5i)T^{2} \)
79 \( 1 + (12.4 + 3.65i)T + (66.4 + 42.7i)T^{2} \)
83 \( 1 + (0.397 - 0.869i)T + (-54.3 - 62.7i)T^{2} \)
89 \( 1 + (-9.64 + 6.20i)T + (36.9 - 80.9i)T^{2} \)
97 \( 1 + (-1.94 - 4.25i)T + (-63.5 + 73.3i)T^{2} \)
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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

−17.52159659420164677564538283006, −17.01752601626851367753256164453, −15.93456710893742097732415366089, −14.77177260785279497043003176188, −12.90869468257890829327881388008, −11.76029222349860826868807476363, −9.492244503413592535655906678687, −8.343877245770678567496788060012, −7.27870100899071563448498861271, −4.86603750394554485763107657946, 3.17834018271689916685345129133, 6.49113510064450708961323541226, 8.495413031352829036073620882692, 9.935783050373021497878591395598, 11.25509939078102644206761019020, 11.92106928877710895985894981762, 14.50051366880621753989025483550, 14.89170883236758993968618687504, 16.95885895486291087722928177993, 18.25875757342640670881659670274

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