Properties

Label 2-43-43.18-c2-0-1
Degree $2$
Conductor $43$
Sign $0.474 - 0.880i$
Analytic cond. $1.17166$
Root an. cond. $1.08243$
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  + (0.185 − 0.385i)2-s + (−2.30 + 3.37i)3-s + (2.38 + 2.98i)4-s + (−0.146 − 0.157i)5-s + (0.873 + 1.51i)6-s + (0.871 + 0.503i)7-s + (3.25 − 0.743i)8-s + (−2.81 − 7.16i)9-s + (−0.0877 + 0.0270i)10-s + (10.2 − 12.8i)11-s + (−15.5 + 1.16i)12-s + (−8.32 − 2.56i)13-s + (0.355 − 0.242i)14-s + (0.868 − 0.130i)15-s + (−3.07 + 13.4i)16-s + (−11.3 − 10.5i)17-s + ⋯
L(s)  = 1  + (0.0927 − 0.192i)2-s + (−0.767 + 1.12i)3-s + (0.595 + 0.746i)4-s + (−0.0292 − 0.0315i)5-s + (0.145 + 0.252i)6-s + (0.124 + 0.0719i)7-s + (0.407 − 0.0929i)8-s + (−0.312 − 0.796i)9-s + (−0.00877 + 0.00270i)10-s + (0.935 − 1.17i)11-s + (−1.29 + 0.0971i)12-s + (−0.640 − 0.197i)13-s + (0.0253 − 0.0173i)14-s + (0.0578 − 0.00872i)15-s + (−0.192 + 0.843i)16-s + (−0.667 − 0.619i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.474 - 0.880i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.474 - 0.880i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(43\)
Sign: $0.474 - 0.880i$
Analytic conductor: \(1.17166\)
Root analytic conductor: \(1.08243\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{43} (18, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 43,\ (\ :1),\ 0.474 - 0.880i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.895720 + 0.534589i\)
\(L(\frac12)\) \(\approx\) \(0.895720 + 0.534589i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad43 \( 1 + (26.1 - 34.1i)T \)
good2 \( 1 + (-0.185 + 0.385i)T + (-2.49 - 3.12i)T^{2} \)
3 \( 1 + (2.30 - 3.37i)T + (-3.28 - 8.37i)T^{2} \)
5 \( 1 + (0.146 + 0.157i)T + (-1.86 + 24.9i)T^{2} \)
7 \( 1 + (-0.871 - 0.503i)T + (24.5 + 42.4i)T^{2} \)
11 \( 1 + (-10.2 + 12.8i)T + (-26.9 - 117. i)T^{2} \)
13 \( 1 + (8.32 + 2.56i)T + (139. + 95.2i)T^{2} \)
17 \( 1 + (11.3 + 10.5i)T + (21.5 + 288. i)T^{2} \)
19 \( 1 + (-18.4 - 7.22i)T + (264. + 245. i)T^{2} \)
23 \( 1 + (-31.0 - 4.68i)T + (505. + 155. i)T^{2} \)
29 \( 1 + (3.63 + 5.33i)T + (-307. + 782. i)T^{2} \)
31 \( 1 + (-1.13 - 15.1i)T + (-950. + 143. i)T^{2} \)
37 \( 1 + (47.5 - 27.4i)T + (684.5 - 1.18e3i)T^{2} \)
41 \( 1 + (38.6 + 18.6i)T + (1.04e3 + 1.31e3i)T^{2} \)
47 \( 1 + (46.0 + 57.7i)T + (-491. + 2.15e3i)T^{2} \)
53 \( 1 + (-34.2 + 10.5i)T + (2.32e3 - 1.58e3i)T^{2} \)
59 \( 1 + (10.8 - 47.3i)T + (-3.13e3 - 1.51e3i)T^{2} \)
61 \( 1 + (-104. - 7.86i)T + (3.67e3 + 554. i)T^{2} \)
67 \( 1 + (13.7 - 35.1i)T + (-3.29e3 - 3.05e3i)T^{2} \)
71 \( 1 + (9.75 + 64.6i)T + (-4.81e3 + 1.48e3i)T^{2} \)
73 \( 1 + (12.1 - 39.2i)T + (-4.40e3 - 3.00e3i)T^{2} \)
79 \( 1 + (-45.0 + 78.0i)T + (-3.12e3 - 5.40e3i)T^{2} \)
83 \( 1 + (-26.6 - 18.1i)T + (2.51e3 + 6.41e3i)T^{2} \)
89 \( 1 + (68.3 - 100. i)T + (-2.89e3 - 7.37e3i)T^{2} \)
97 \( 1 + (-30.4 + 38.2i)T + (-2.09e3 - 9.17e3i)T^{2} \)
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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

−16.23468293599572385508439606680, −15.10200544285744405547451867166, −13.56305297710964400801538792260, −11.88074191879752189493990931327, −11.36381796554126233185780307730, −10.14052065196831970115536397516, −8.628873989089430371670824809344, −6.79927193436461636783892977603, −5.07113223948285871624877828040, −3.44997307779222143874972327012, 1.61767886203654971340287842333, 5.13338182222440853465182388504, 6.69572259322019674894179997326, 7.22993398568239611841506309259, 9.513607104965123056460934391290, 11.07464379488799481052262382171, 11.94454413943990613140245897776, 13.05995851096864760040680716408, 14.48605308275749422341637995804, 15.39762377461142292826092839827

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