Properties

Label 2-40e2-5.4-c1-0-12
Degree $2$
Conductor $1600$
Sign $0.447 - 0.894i$
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  + 2i·3-s − 2i·7-s − 9-s + 2i·13-s − 6i·17-s + 4·19-s + 4·21-s + 6i·23-s + 4i·27-s + 6·29-s + 4·31-s − 2i·37-s − 4·39-s + 6·41-s + 10i·43-s + ⋯
L(s)  = 1  + 1.15i·3-s − 0.755i·7-s − 0.333·9-s + 0.554i·13-s − 1.45i·17-s + 0.917·19-s + 0.872·21-s + 1.25i·23-s + 0.769i·27-s + 1.11·29-s + 0.718·31-s − 0.328i·37-s − 0.640·39-s + 0.937·41-s + 1.52i·43-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.447 - 0.894i$
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: \((2,\ 1600,\ (\ :1/2),\ 0.447 - 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.786291683\)
\(L(\frac12)\) \(\approx\) \(1.786291683\)
\(L(\frac{3}{2})\) 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 \( 1 - 2iT - 3T^{2} \)
7 \( 1 + 2iT - 7T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 2iT - 13T^{2} \)
17 \( 1 + 6iT - 17T^{2} \)
19 \( 1 - 4T + 19T^{2} \)
23 \( 1 - 6iT - 23T^{2} \)
29 \( 1 - 6T + 29T^{2} \)
31 \( 1 - 4T + 31T^{2} \)
37 \( 1 + 2iT - 37T^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 - 10iT - 43T^{2} \)
47 \( 1 - 6iT - 47T^{2} \)
53 \( 1 + 6iT - 53T^{2} \)
59 \( 1 + 12T + 59T^{2} \)
61 \( 1 + 2T + 61T^{2} \)
67 \( 1 - 2iT - 67T^{2} \)
71 \( 1 - 12T + 71T^{2} \)
73 \( 1 + 2iT - 73T^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 + 6iT - 83T^{2} \)
89 \( 1 - 6T + 89T^{2} \)
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

−9.513871003874312272869143754425, −9.187612383945413102225316721841, −7.85560562529560915898058281441, −7.26643077585279397498803879420, −6.29381265691880785284170621135, −5.09860777925640542831425659063, −4.60232248809496972242441447434, −3.69931065778313444397527750891, −2.82914192240295278569376546481, −1.10178150921557309047208423578, 0.881076883402113655854665800668, 2.05140123874588340287551303767, 2.93304773998191735352605200088, 4.22043832916332029336124542381, 5.37008833478037499539663023357, 6.19029348020805220188607267134, 6.76219782009384726421444939190, 7.79477033434019170830710090174, 8.286011623142564029466650767447, 9.051407543055912242328520920807

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