Properties

Label 2-23-23.15-c2-0-0
Degree $2$
Conductor $23$
Sign $0.181 - 0.983i$
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  + (−0.387 + 2.69i)2-s + (−0.141 − 0.309i)3-s + (−3.28 − 0.963i)4-s + (−0.353 + 0.306i)5-s + (0.890 − 0.261i)6-s + (4.93 − 7.67i)7-s + (−0.655 + 1.43i)8-s + (5.81 − 6.71i)9-s + (−0.689 − 1.07i)10-s + (−9.31 + 1.33i)11-s + (0.165 + 1.15i)12-s + (−15.9 + 10.2i)13-s + (18.7 + 16.2i)14-s + (0.145 + 0.0662i)15-s + (−15.1 − 9.72i)16-s + (2.33 + 7.94i)17-s + ⋯
L(s)  = 1  + (−0.193 + 1.34i)2-s + (−0.0471 − 0.103i)3-s + (−0.820 − 0.240i)4-s + (−0.0707 + 0.0613i)5-s + (0.148 − 0.0435i)6-s + (0.704 − 1.09i)7-s + (−0.0819 + 0.179i)8-s + (0.646 − 0.745i)9-s + (−0.0689 − 0.107i)10-s + (−0.846 + 0.121i)11-s + (0.0138 + 0.0961i)12-s + (−1.23 + 0.790i)13-s + (1.34 + 1.16i)14-s + (0.00967 + 0.00441i)15-s + (−0.945 − 0.607i)16-s + (0.137 + 0.467i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.181 - 0.983i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.181 - 0.983i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $0.181 - 0.983i$
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: \((2,\ 23,\ (\ :1),\ 0.181 - 0.983i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.643101 + 0.535286i\)
\(L(\frac12)\) \(\approx\) \(0.643101 + 0.535286i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (-22.6 - 3.86i)T \)
good2 \( 1 + (0.387 - 2.69i)T + (-3.83 - 1.12i)T^{2} \)
3 \( 1 + (0.141 + 0.309i)T + (-5.89 + 6.80i)T^{2} \)
5 \( 1 + (0.353 - 0.306i)T + (3.55 - 24.7i)T^{2} \)
7 \( 1 + (-4.93 + 7.67i)T + (-20.3 - 44.5i)T^{2} \)
11 \( 1 + (9.31 - 1.33i)T + (116. - 34.0i)T^{2} \)
13 \( 1 + (15.9 - 10.2i)T + (70.2 - 153. i)T^{2} \)
17 \( 1 + (-2.33 - 7.94i)T + (-243. + 156. i)T^{2} \)
19 \( 1 + (-4.88 + 16.6i)T + (-303. - 195. i)T^{2} \)
29 \( 1 + (20.1 - 5.92i)T + (707. - 454. i)T^{2} \)
31 \( 1 + (-8.08 + 17.6i)T + (-629. - 726. i)T^{2} \)
37 \( 1 + (-48.8 - 42.2i)T + (194. + 1.35e3i)T^{2} \)
41 \( 1 + (12.8 + 14.8i)T + (-239. + 1.66e3i)T^{2} \)
43 \( 1 + (-13.8 + 6.30i)T + (1.21e3 - 1.39e3i)T^{2} \)
47 \( 1 + 66.5T + 2.20e3T^{2} \)
53 \( 1 + (13.4 - 20.9i)T + (-1.16e3 - 2.55e3i)T^{2} \)
59 \( 1 + (-43.0 + 27.6i)T + (1.44e3 - 3.16e3i)T^{2} \)
61 \( 1 + (54.7 + 25.0i)T + (2.43e3 + 2.81e3i)T^{2} \)
67 \( 1 + (-70.5 - 10.1i)T + (4.30e3 + 1.26e3i)T^{2} \)
71 \( 1 + (2.48 - 17.2i)T + (-4.83e3 - 1.42e3i)T^{2} \)
73 \( 1 + (-56.1 - 16.4i)T + (4.48e3 + 2.88e3i)T^{2} \)
79 \( 1 + (-44.6 - 69.4i)T + (-2.59e3 + 5.67e3i)T^{2} \)
83 \( 1 + (92.3 + 80.0i)T + (980. + 6.81e3i)T^{2} \)
89 \( 1 + (-160. + 73.1i)T + (5.18e3 - 5.98e3i)T^{2} \)
97 \( 1 + (-71.9 + 62.3i)T + (1.33e3 - 9.31e3i)T^{2} \)
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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

−17.46639229909268724610369514180, −16.86480643279953784428470182855, −15.39494727964788716155104475884, −14.60547812154018305956532777783, −13.20284553517118458673225145736, −11.34221806467525497762727322872, −9.551451944077321098121688561279, −7.70945396385944363386082227036, −6.91230134780693029825178938496, −4.82911154333015480853863855709, 2.46337879441383850237669113282, 5.06575209771210617266417028383, 7.930121717949516694673985465341, 9.690960749525414380415292002049, 10.80416378333172268190846677005, 12.06964067291214312890552633579, 12.99961271975182368307786449562, 14.87186684583257723639473124152, 16.12679648616573831937168596836, 17.99124623481004580761859422620

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