Properties

Label 2-23-23.16-c3-0-2
Degree $2$
Conductor $23$
Sign $0.826 - 0.563i$
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  + (−1.60 + 1.85i)2-s + (5.95 − 3.82i)3-s + (0.281 + 1.96i)4-s + (2.81 + 6.16i)5-s + (−2.47 + 17.1i)6-s + (8.67 − 2.54i)7-s + (−20.5 − 13.2i)8-s + (9.61 − 21.0i)9-s + (−15.9 − 4.68i)10-s + (−42.0 − 48.4i)11-s + (9.18 + 10.6i)12-s + (−4.68 − 1.37i)13-s + (−9.21 + 20.1i)14-s + (40.3 + 25.9i)15-s + (42.4 − 12.4i)16-s + (−15.5 + 108. i)17-s + ⋯
L(s)  = 1  + (−0.568 + 0.655i)2-s + (1.14 − 0.736i)3-s + (0.0352 + 0.245i)4-s + (0.251 + 0.551i)5-s + (−0.168 + 1.17i)6-s + (0.468 − 0.137i)7-s + (−0.910 − 0.585i)8-s + (0.356 − 0.780i)9-s + (−0.504 − 0.148i)10-s + (−1.15 − 1.32i)11-s + (0.220 + 0.255i)12-s + (−0.100 − 0.0293i)13-s + (−0.175 + 0.385i)14-s + (0.694 + 0.446i)15-s + (0.663 − 0.194i)16-s + (−0.221 + 1.54i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.826 - 0.563i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.826 - 0.563i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $0.826 - 0.563i$
Analytic conductor: \(1.35704\)
Root analytic conductor: \(1.16492\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (16, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :3/2),\ 0.826 - 0.563i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.11513 + 0.344051i\)
\(L(\frac12)\) \(\approx\) \(1.11513 + 0.344051i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + (63.2 + 90.3i)T \)
good2 \( 1 + (1.60 - 1.85i)T + (-1.13 - 7.91i)T^{2} \)
3 \( 1 + (-5.95 + 3.82i)T + (11.2 - 24.5i)T^{2} \)
5 \( 1 + (-2.81 - 6.16i)T + (-81.8 + 94.4i)T^{2} \)
7 \( 1 + (-8.67 + 2.54i)T + (288. - 185. i)T^{2} \)
11 \( 1 + (42.0 + 48.4i)T + (-189. + 1.31e3i)T^{2} \)
13 \( 1 + (4.68 + 1.37i)T + (1.84e3 + 1.18e3i)T^{2} \)
17 \( 1 + (15.5 - 108. i)T + (-4.71e3 - 1.38e3i)T^{2} \)
19 \( 1 + (5.73 + 39.9i)T + (-6.58e3 + 1.93e3i)T^{2} \)
29 \( 1 + (15.4 - 107. i)T + (-2.34e4 - 6.87e3i)T^{2} \)
31 \( 1 + (-282. - 181. i)T + (1.23e4 + 2.70e4i)T^{2} \)
37 \( 1 + (-45.6 + 99.8i)T + (-3.31e4 - 3.82e4i)T^{2} \)
41 \( 1 + (-10.7 - 23.5i)T + (-4.51e4 + 5.20e4i)T^{2} \)
43 \( 1 + (180. - 115. i)T + (3.30e4 - 7.23e4i)T^{2} \)
47 \( 1 - 28.3T + 1.03e5T^{2} \)
53 \( 1 + (88.1 - 25.8i)T + (1.25e5 - 8.04e4i)T^{2} \)
59 \( 1 + (-591. - 173. i)T + (1.72e5 + 1.11e5i)T^{2} \)
61 \( 1 + (430. + 276. i)T + (9.42e4 + 2.06e5i)T^{2} \)
67 \( 1 + (438. - 505. i)T + (-4.28e4 - 2.97e5i)T^{2} \)
71 \( 1 + (-679. + 784. i)T + (-5.09e4 - 3.54e5i)T^{2} \)
73 \( 1 + (16.0 + 111. i)T + (-3.73e5 + 1.09e5i)T^{2} \)
79 \( 1 + (-428. - 125. i)T + (4.14e5 + 2.66e5i)T^{2} \)
83 \( 1 + (116. - 254. i)T + (-3.74e5 - 4.32e5i)T^{2} \)
89 \( 1 + (-388. + 249. i)T + (2.92e5 - 6.41e5i)T^{2} \)
97 \( 1 + (96.3 + 210. i)T + (-5.97e5 + 6.89e5i)T^{2} \)
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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

−17.73632499506557539343343998308, −16.27568755372602311125500039854, −14.94770067040459847462021565937, −13.83664884155975243135245697504, −12.69875082320339694394046655428, −10.63286467471020369521600853811, −8.545608601002161262861345772133, −8.027340815605161606897063323764, −6.50216326849126192351697115303, −2.90228229356515639786211958242, 2.39305056268864227833153854555, 4.95583583852112767993071580772, 8.041519256036386198399918997803, 9.439667270371181570196042120971, 10.04434124697959658074338701964, 11.79134066937501893277205651613, 13.56815281937491704407379467504, 14.90584500974245044823894217242, 15.68131565751281142028957672174, 17.58403670381790775474637103987

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