Properties

Label 2-23-23.18-c3-0-4
Degree $2$
Conductor $23$
Sign $0.947 + 0.318i$
Analytic cond. $1.35704$
Root an. cond. $1.16492$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.42 + 0.417i)2-s + (4.44 − 5.13i)3-s + (−4.88 − 3.13i)4-s + (−1.63 + 11.3i)5-s + (8.47 − 5.44i)6-s + (8.78 + 19.2i)7-s + (−13.4 − 15.4i)8-s + (−2.72 − 18.9i)9-s + (−7.07 + 15.4i)10-s + (−40.8 + 11.9i)11-s + (−37.8 + 11.1i)12-s + (26.8 − 58.7i)13-s + (4.46 + 31.0i)14-s + (51.1 + 58.9i)15-s + (6.67 + 14.6i)16-s + (34.3 − 22.1i)17-s + ⋯
L(s)  = 1  + (0.502 + 0.147i)2-s + (0.856 − 0.987i)3-s + (−0.610 − 0.392i)4-s + (−0.146 + 1.01i)5-s + (0.576 − 0.370i)6-s + (0.474 + 1.03i)7-s + (−0.592 − 0.683i)8-s + (−0.100 − 0.701i)9-s + (−0.223 + 0.489i)10-s + (−1.11 + 0.328i)11-s + (−0.909 + 0.267i)12-s + (0.572 − 1.25i)13-s + (0.0851 + 0.592i)14-s + (0.879 + 1.01i)15-s + (0.104 + 0.228i)16-s + (0.490 − 0.315i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.947 + 0.318i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.947 + 0.318i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $0.947 + 0.318i$
Analytic conductor: \(1.35704\)
Root analytic conductor: \(1.16492\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (18, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :3/2),\ 0.947 + 0.318i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.47985 - 0.242206i\)
\(L(\frac12)\) \(\approx\) \(1.47985 - 0.242206i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (-97.3 - 51.9i)T \)
good2 \( 1 + (-1.42 - 0.417i)T + (6.73 + 4.32i)T^{2} \)
3 \( 1 + (-4.44 + 5.13i)T + (-3.84 - 26.7i)T^{2} \)
5 \( 1 + (1.63 - 11.3i)T + (-119. - 35.2i)T^{2} \)
7 \( 1 + (-8.78 - 19.2i)T + (-224. + 259. i)T^{2} \)
11 \( 1 + (40.8 - 11.9i)T + (1.11e3 - 719. i)T^{2} \)
13 \( 1 + (-26.8 + 58.7i)T + (-1.43e3 - 1.66e3i)T^{2} \)
17 \( 1 + (-34.3 + 22.1i)T + (2.04e3 - 4.46e3i)T^{2} \)
19 \( 1 + (85.8 + 55.1i)T + (2.84e3 + 6.23e3i)T^{2} \)
29 \( 1 + (75.5 - 48.5i)T + (1.01e4 - 2.21e4i)T^{2} \)
31 \( 1 + (152. + 175. i)T + (-4.23e3 + 2.94e4i)T^{2} \)
37 \( 1 + (12.9 + 90.0i)T + (-4.86e4 + 1.42e4i)T^{2} \)
41 \( 1 + (12.0 - 83.6i)T + (-6.61e4 - 1.94e4i)T^{2} \)
43 \( 1 + (-29.3 + 33.8i)T + (-1.13e4 - 7.86e4i)T^{2} \)
47 \( 1 - 326.T + 1.03e5T^{2} \)
53 \( 1 + (4.62 + 10.1i)T + (-9.74e4 + 1.12e5i)T^{2} \)
59 \( 1 + (319. - 699. i)T + (-1.34e5 - 1.55e5i)T^{2} \)
61 \( 1 + (-505. - 583. i)T + (-3.23e4 + 2.24e5i)T^{2} \)
67 \( 1 + (1.03e3 + 304. i)T + (2.53e5 + 1.62e5i)T^{2} \)
71 \( 1 + (217. + 63.8i)T + (3.01e5 + 1.93e5i)T^{2} \)
73 \( 1 + (-587. - 377. i)T + (1.61e5 + 3.53e5i)T^{2} \)
79 \( 1 + (-147. + 323. i)T + (-3.22e5 - 3.72e5i)T^{2} \)
83 \( 1 + (-40.0 - 278. i)T + (-5.48e5 + 1.61e5i)T^{2} \)
89 \( 1 + (168. - 194. i)T + (-1.00e5 - 6.97e5i)T^{2} \)
97 \( 1 + (-150. + 1.04e3i)T + (-8.75e5 - 2.57e5i)T^{2} \)
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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

−18.10667491730730516727536990944, −15.18564229710359019558291540116, −14.90544369568535139466997128584, −13.46015113117647535826710639512, −12.70510001327635450437284581707, −10.70879502217928760770298868799, −8.791907614024264141217676376362, −7.44013465786981393755650267323, −5.57072289457261409698501131323, −2.79413047991421956770977430478, 3.80780379059166515046811419319, 4.80933808725663540902112620426, 8.182892241154164331356625412301, 9.053039093381673283805256646831, 10.70359861096109268632745430794, 12.61048652733823225436669518004, 13.73459864369453371727846232227, 14.65698068895870311429912517450, 16.22509376453060378661637860170, 17.06193846038053000274688369509

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