Properties

Label 2-40e2-8.5-c1-0-8
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  + i·3-s − 3.46·7-s + 2·9-s − 3i·11-s + 3.46i·13-s + 3·17-s i·19-s − 3.46i·21-s + 5i·27-s + 10.3i·29-s + 6.92·31-s + 3·33-s + 10.3i·37-s − 3.46·39-s − 9·41-s + ⋯
L(s)  = 1  + 0.577i·3-s − 1.30·7-s + 0.666·9-s − 0.904i·11-s + 0.960i·13-s + 0.727·17-s − 0.229i·19-s − 0.755i·21-s + 0.962i·27-s + 1.92i·29-s + 1.24·31-s + 0.522·33-s + 1.70i·37-s − 0.554·39-s − 1.40·41-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

\(L(1)\) \(\approx\) \(1.228190544\)
\(L(\frac12)\) \(\approx\) \(1.228190544\)
\(L(\frac{3}{2})\) 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 \( 1 - iT - 3T^{2} \)
7 \( 1 + 3.46T + 7T^{2} \)
11 \( 1 + 3iT - 11T^{2} \)
13 \( 1 - 3.46iT - 13T^{2} \)
17 \( 1 - 3T + 17T^{2} \)
19 \( 1 + iT - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 10.3iT - 29T^{2} \)
31 \( 1 - 6.92T + 31T^{2} \)
37 \( 1 - 10.3iT - 37T^{2} \)
41 \( 1 + 9T + 41T^{2} \)
43 \( 1 + 4iT - 43T^{2} \)
47 \( 1 + 10.3T + 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 - 12iT - 59T^{2} \)
61 \( 1 + 3.46iT - 61T^{2} \)
67 \( 1 - 11iT - 67T^{2} \)
71 \( 1 - 10.3T + 71T^{2} \)
73 \( 1 - 7T + 73T^{2} \)
79 \( 1 + 10.3T + 79T^{2} \)
83 \( 1 - 15iT - 83T^{2} \)
89 \( 1 + 3T + 89T^{2} \)
97 \( 1 - 14T + 97T^{2} \)
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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

−9.828811446401796775896956406609, −8.947410594852934265868260043708, −8.256451753190954541397734939136, −6.85483436384713256707966737960, −6.68226693209946575585033866919, −5.49661617337831712320718593387, −4.60926622573821709970303468403, −3.56431351919034813383691231886, −3.02017442303665297041740427907, −1.31126170726735790853787954819, 0.50984259156794974918424587969, 1.95877629753816336500375151585, 3.06614619778292456830886088170, 3.99981201727396322075655547481, 5.09102860457684433509625386889, 6.20768381771529631096708504923, 6.65613428916529316904308832976, 7.65645677562659453668901912782, 8.076727273054881818807575581595, 9.469057445764487827895256104258

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