Properties

Label 2-23-23.15-c2-0-2
Degree $2$
Conductor $23$
Sign $0.394 + 0.919i$
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  + (0.496 − 3.45i)2-s + (1.53 + 3.36i)3-s + (−7.83 − 2.30i)4-s + (−4.84 + 4.19i)5-s + (12.3 − 3.63i)6-s + (3.55 − 5.52i)7-s + (−6.04 + 13.2i)8-s + (−3.07 + 3.55i)9-s + (12.0 + 18.8i)10-s + (−7.17 + 1.03i)11-s + (−4.30 − 29.9i)12-s + (9.96 − 6.40i)13-s + (−17.3 − 15.0i)14-s + (−21.5 − 9.85i)15-s + (15.1 + 9.76i)16-s + (1.04 + 3.55i)17-s + ⋯
L(s)  = 1  + (0.248 − 1.72i)2-s + (0.512 + 1.12i)3-s + (−1.95 − 0.575i)4-s + (−0.968 + 0.839i)5-s + (2.06 − 0.606i)6-s + (0.507 − 0.789i)7-s + (−0.755 + 1.65i)8-s + (−0.342 + 0.394i)9-s + (1.20 + 1.88i)10-s + (−0.652 + 0.0937i)11-s + (−0.358 − 2.49i)12-s + (0.766 − 0.492i)13-s + (−1.23 − 1.07i)14-s + (−1.43 − 0.656i)15-s + (0.949 + 0.610i)16-s + (0.0614 + 0.209i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.394 + 0.919i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.394 + 0.919i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $0.394 + 0.919i$
Analytic conductor: \(0.626704\)
Root analytic conductor: \(0.791646\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (15, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :1),\ 0.394 + 0.919i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.817012 - 0.538671i\)
\(L(\frac12)\) \(\approx\) \(0.817012 - 0.538671i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (21.0 - 9.35i)T \)
good2 \( 1 + (-0.496 + 3.45i)T + (-3.83 - 1.12i)T^{2} \)
3 \( 1 + (-1.53 - 3.36i)T + (-5.89 + 6.80i)T^{2} \)
5 \( 1 + (4.84 - 4.19i)T + (3.55 - 24.7i)T^{2} \)
7 \( 1 + (-3.55 + 5.52i)T + (-20.3 - 44.5i)T^{2} \)
11 \( 1 + (7.17 - 1.03i)T + (116. - 34.0i)T^{2} \)
13 \( 1 + (-9.96 + 6.40i)T + (70.2 - 153. i)T^{2} \)
17 \( 1 + (-1.04 - 3.55i)T + (-243. + 156. i)T^{2} \)
19 \( 1 + (3.34 - 11.4i)T + (-303. - 195. i)T^{2} \)
29 \( 1 + (-44.1 + 12.9i)T + (707. - 454. i)T^{2} \)
31 \( 1 + (-11.7 + 25.7i)T + (-629. - 726. i)T^{2} \)
37 \( 1 + (-1.87 - 1.62i)T + (194. + 1.35e3i)T^{2} \)
41 \( 1 + (26.9 + 31.1i)T + (-239. + 1.66e3i)T^{2} \)
43 \( 1 + (44.3 - 20.2i)T + (1.21e3 - 1.39e3i)T^{2} \)
47 \( 1 + 36.5T + 2.20e3T^{2} \)
53 \( 1 + (-3.67 + 5.71i)T + (-1.16e3 - 2.55e3i)T^{2} \)
59 \( 1 + (42.6 - 27.3i)T + (1.44e3 - 3.16e3i)T^{2} \)
61 \( 1 + (-88.9 - 40.6i)T + (2.43e3 + 2.81e3i)T^{2} \)
67 \( 1 + (28.0 + 4.03i)T + (4.30e3 + 1.26e3i)T^{2} \)
71 \( 1 + (-4.93 + 34.3i)T + (-4.83e3 - 1.42e3i)T^{2} \)
73 \( 1 + (7.15 + 2.09i)T + (4.48e3 + 2.88e3i)T^{2} \)
79 \( 1 + (71.3 + 110. i)T + (-2.59e3 + 5.67e3i)T^{2} \)
83 \( 1 + (-16.5 - 14.3i)T + (980. + 6.81e3i)T^{2} \)
89 \( 1 + (-145. + 66.3i)T + (5.18e3 - 5.98e3i)T^{2} \)
97 \( 1 + (81.7 - 70.8i)T + (1.33e3 - 9.31e3i)T^{2} \)
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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

−17.97497636505737185115338702079, −15.83931649061036516814283224474, −14.71522913078469316664587527796, −13.53546705425950027742557181206, −11.81040913822049062189249032247, −10.66134753858708199034353863336, −10.10381796001147887348709899479, −8.170143729664327521446751818493, −4.32560642839855248715965469750, −3.32756736453557561336141407821, 4.86569431530740825682986597350, 6.71323233649020210521627211278, 8.251718659698555867406770865099, 8.450120030841440590909398683258, 12.02649871119482116597693614097, 13.17527900532554603443111635920, 14.22582694153667519409292668647, 15.59283660830610838795184461520, 16.24885623036844045924752718303, 17.87906934237354596933665154997

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