Properties

Label 2-40e2-8.5-c1-0-14
Degree $2$
Conductor $1600$
Sign $-0.258 - 0.965i$
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  + 2.73i·3-s + 4.73·7-s − 4.46·9-s − 3.46i·11-s + 3.46i·13-s + 3.46·17-s + 2i·19-s + 12.9i·21-s − 2.19·23-s − 3.99i·27-s + 2.53·31-s + 9.46·33-s + 6i·37-s − 9.46·39-s + 9.46·41-s + ⋯
L(s)  = 1  + 1.57i·3-s + 1.78·7-s − 1.48·9-s − 1.04i·11-s + 0.960i·13-s + 0.840·17-s + 0.458i·19-s + 2.82i·21-s − 0.457·23-s − 0.769i·27-s + 0.455·31-s + 1.64·33-s + 0.986i·37-s − 1.51·39-s + 1.47·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.258 - 0.965i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.258 - 0.965i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-0.258 - 0.965i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (801, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ -0.258 - 0.965i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.094620751\)
\(L(\frac12)\) \(\approx\) \(2.094620751\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.73iT - 3T^{2} \)
7 \( 1 - 4.73T + 7T^{2} \)
11 \( 1 + 3.46iT - 11T^{2} \)
13 \( 1 - 3.46iT - 13T^{2} \)
17 \( 1 - 3.46T + 17T^{2} \)
19 \( 1 - 2iT - 19T^{2} \)
23 \( 1 + 2.19T + 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 - 2.53T + 31T^{2} \)
37 \( 1 - 6iT - 37T^{2} \)
41 \( 1 - 9.46T + 41T^{2} \)
43 \( 1 + 0.196iT - 43T^{2} \)
47 \( 1 - 2.19T + 47T^{2} \)
53 \( 1 - 10.3iT - 53T^{2} \)
59 \( 1 + 6iT - 59T^{2} \)
61 \( 1 - 0.928iT - 61T^{2} \)
67 \( 1 + 0.196iT - 67T^{2} \)
71 \( 1 + 16.3T + 71T^{2} \)
73 \( 1 + 6.39T + 73T^{2} \)
79 \( 1 - 12T + 79T^{2} \)
83 \( 1 - 1.26iT - 83T^{2} \)
89 \( 1 + 12.9T + 89T^{2} \)
97 \( 1 + 14.3T + 97T^{2} \)
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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

−9.672765019090179293699409862668, −8.844193062644247438858209206561, −8.288659212238985979386897896395, −7.51426980500117925683936107390, −6.03671401963567622367475751265, −5.37370544911769546755863656317, −4.50777750953115654925890762381, −4.02682533207793405846329703041, −2.87733466202939729634501969323, −1.41889562318520764193328000033, 0.927734229515040444581433338522, 1.82388916887065439124114505538, 2.63921646402657013464883227086, 4.24573980943864695091015876783, 5.22193474273691020405312855045, 5.91537943091034196527328501883, 7.07472698479222963329002625533, 7.66000115365681136170800493881, 8.011242452582814439626125667834, 8.858293624226368296821700489465

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