Properties

Label 2-40e2-5.4-c1-0-32
Degree $2$
Conductor $1600$
Sign $-0.894 - 0.447i$
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  − 2.23i·3-s − 4.47i·7-s − 2.00·9-s − 2.23·11-s − 4i·13-s + 7i·17-s − 6.70·19-s − 10.0·21-s − 4.47i·23-s − 2.23i·27-s + 4.47·31-s + 5.00i·33-s + 2i·37-s − 8.94·39-s + 5·41-s + ⋯
L(s)  = 1  − 1.29i·3-s − 1.69i·7-s − 0.666·9-s − 0.674·11-s − 1.10i·13-s + 1.69i·17-s − 1.53·19-s − 2.18·21-s − 0.932i·23-s − 0.430i·27-s + 0.803·31-s + 0.870i·33-s + 0.328i·37-s − 1.43·39-s + 0.780·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.894 - 0.447i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.894 - 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-0.894 - 0.447i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (449, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ -0.894 - 0.447i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.016971284\)
\(L(\frac12)\) \(\approx\) \(1.016971284\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.23iT - 3T^{2} \)
7 \( 1 + 4.47iT - 7T^{2} \)
11 \( 1 + 2.23T + 11T^{2} \)
13 \( 1 + 4iT - 13T^{2} \)
17 \( 1 - 7iT - 17T^{2} \)
19 \( 1 + 6.70T + 19T^{2} \)
23 \( 1 + 4.47iT - 23T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 - 4.47T + 31T^{2} \)
37 \( 1 - 2iT - 37T^{2} \)
41 \( 1 - 5T + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 - 8.94iT - 47T^{2} \)
53 \( 1 + 6iT - 53T^{2} \)
59 \( 1 - 8.94T + 59T^{2} \)
61 \( 1 + 10T + 61T^{2} \)
67 \( 1 + 2.23iT - 67T^{2} \)
71 \( 1 + 8.94T + 71T^{2} \)
73 \( 1 + 9iT - 73T^{2} \)
79 \( 1 - 4.47T + 79T^{2} \)
83 \( 1 - 11.1iT - 83T^{2} \)
89 \( 1 - 5T + 89T^{2} \)
97 \( 1 + 2iT - 97T^{2} \)
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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

−8.506168062339636714672037169895, −7.992757936050774065659583855319, −7.47907843996653230068374465684, −6.50243333512293403461219937792, −6.11321347121725484928627928177, −4.66440526546833807150705917231, −3.86385685788537873863377961264, −2.60154891771284060930980880101, −1.43934083527078678654758243277, −0.38791313659385024695453233007, 2.15805784182267854612970113496, 2.92597694131702203629127479998, 4.14729472541376977666057808528, 4.92032605350189200925364142557, 5.53658995140749345259213975322, 6.47307415905384557449710263302, 7.55350663774047314846543323583, 8.760902735371488909899955177382, 9.031594695143234072550802326252, 9.736058462645231798819897948367

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