Properties

Label 2-40e2-80.43-c1-0-20
Degree $2$
Conductor $1600$
Sign $0.411 - 0.911i$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.07i·3-s + (1.47 − 1.47i)7-s − 6.45·9-s + (1.20 − 1.20i)11-s + 5.63·13-s + (4.22 − 4.22i)17-s + (3.11 − 3.11i)19-s + (4.54 + 4.54i)21-s + (−1.08 − 1.08i)23-s − 10.6i·27-s + (5.32 + 5.32i)29-s + 4.67i·31-s + (3.71 + 3.71i)33-s − 1.51·37-s + 17.3i·39-s + ⋯
L(s)  = 1  + 1.77i·3-s + (0.558 − 0.558i)7-s − 2.15·9-s + (0.363 − 0.363i)11-s + 1.56·13-s + (1.02 − 1.02i)17-s + (0.715 − 0.715i)19-s + (0.991 + 0.991i)21-s + (−0.225 − 0.225i)23-s − 2.04i·27-s + (0.988 + 0.988i)29-s + 0.839i·31-s + (0.646 + 0.646i)33-s − 0.248·37-s + 2.77i·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.411 - 0.911i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.411 - 0.911i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.411 - 0.911i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (143, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.411 - 0.911i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.021952447\)
\(L(\frac12)\) \(\approx\) \(2.021952447\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 - 3.07iT - 3T^{2} \)
7 \( 1 + (-1.47 + 1.47i)T - 7iT^{2} \)
11 \( 1 + (-1.20 + 1.20i)T - 11iT^{2} \)
13 \( 1 - 5.63T + 13T^{2} \)
17 \( 1 + (-4.22 + 4.22i)T - 17iT^{2} \)
19 \( 1 + (-3.11 + 3.11i)T - 19iT^{2} \)
23 \( 1 + (1.08 + 1.08i)T + 23iT^{2} \)
29 \( 1 + (-5.32 - 5.32i)T + 29iT^{2} \)
31 \( 1 - 4.67iT - 31T^{2} \)
37 \( 1 + 1.51T + 37T^{2} \)
41 \( 1 + 3.19iT - 41T^{2} \)
43 \( 1 - 2.42T + 43T^{2} \)
47 \( 1 + (-0.827 - 0.827i)T + 47iT^{2} \)
53 \( 1 + 8.17iT - 53T^{2} \)
59 \( 1 + (7.78 + 7.78i)T + 59iT^{2} \)
61 \( 1 + (3.03 - 3.03i)T - 61iT^{2} \)
67 \( 1 - 2.93T + 67T^{2} \)
71 \( 1 - 0.180T + 71T^{2} \)
73 \( 1 + (-2.19 + 2.19i)T - 73iT^{2} \)
79 \( 1 + 12.4T + 79T^{2} \)
83 \( 1 + 8.33iT - 83T^{2} \)
89 \( 1 + 9.08T + 89T^{2} \)
97 \( 1 + (6.04 - 6.04i)T - 97iT^{2} \)
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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

−9.586733148125763802099793485408, −8.862978508324082622836490965904, −8.314887239290347138019953754519, −7.18604411604858779666258170744, −6.06235259842483473580880433719, −5.17999139629722437304880867828, −4.58874026268157152715137283407, −3.58942537258836019800766726899, −3.09005755270661970525463494598, −1.05483388727894644227150972705, 1.16227930618641208371901088680, 1.73968761353299037980488504975, 2.95075352309225645402900226053, 4.09820806684341025644856644502, 5.75628876187478651505872548587, 5.90806156345785792331689363418, 6.85279812877939059020668599119, 7.911755832221090323023695033962, 8.102974531040033145372030448904, 8.933598162800687316953464645043

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