Properties

Label 2-40e2-80.29-c1-0-18
Degree $2$
Conductor $1600$
Sign $0.997 + 0.0708i$
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  + (1 − i)3-s + 2·7-s + i·9-s + (−1 + i)11-s + (−1 + i)13-s − 2i·17-s + (3 + 3i)19-s + (2 − 2i)21-s + 6·23-s + (4 + 4i)27-s + (−3 − 3i)29-s + 8·31-s + 2i·33-s + (3 + 3i)37-s + 2i·39-s + ⋯
L(s)  = 1  + (0.577 − 0.577i)3-s + 0.755·7-s + 0.333i·9-s + (−0.301 + 0.301i)11-s + (−0.277 + 0.277i)13-s − 0.485i·17-s + (0.688 + 0.688i)19-s + (0.436 − 0.436i)21-s + 1.25·23-s + (0.769 + 0.769i)27-s + (−0.557 − 0.557i)29-s + 1.43·31-s + 0.348i·33-s + (0.493 + 0.493i)37-s + 0.320i·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.997 + 0.0708i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.997 + 0.0708i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.997 + 0.0708i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (849, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.997 + 0.0708i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.316973432\)
\(L(\frac12)\) \(\approx\) \(2.316973432\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1 + i)T - 3iT^{2} \)
7 \( 1 - 2T + 7T^{2} \)
11 \( 1 + (1 - i)T - 11iT^{2} \)
13 \( 1 + (1 - i)T - 13iT^{2} \)
17 \( 1 + 2iT - 17T^{2} \)
19 \( 1 + (-3 - 3i)T + 19iT^{2} \)
23 \( 1 - 6T + 23T^{2} \)
29 \( 1 + (3 + 3i)T + 29iT^{2} \)
31 \( 1 - 8T + 31T^{2} \)
37 \( 1 + (-3 - 3i)T + 37iT^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 + (-5 - 5i)T + 43iT^{2} \)
47 \( 1 + 8iT - 47T^{2} \)
53 \( 1 + (-5 - 5i)T + 53iT^{2} \)
59 \( 1 + (3 - 3i)T - 59iT^{2} \)
61 \( 1 + (9 + 9i)T + 61iT^{2} \)
67 \( 1 + (5 - 5i)T - 67iT^{2} \)
71 \( 1 + 10iT - 71T^{2} \)
73 \( 1 - 4T + 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + (-1 + i)T - 83iT^{2} \)
89 \( 1 - 4iT - 89T^{2} \)
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

−9.297236129656082950219034357114, −8.460311740436829434519280396047, −7.70344864331412648208238040484, −7.34469432582924521459797946217, −6.25569424794157170047928943777, −5.11871327533801936140181988879, −4.55024001762475265967683469123, −3.13812131818758889137264684957, −2.27531674827328281987956498482, −1.23374554061319535138905960430, 1.02201724135173927526339978237, 2.57684714268305765122376662778, 3.35078832512169742578649991236, 4.41800258016212945509248578004, 5.11755661289014142830855737583, 6.11345292999740449245689439992, 7.17609075176525688818437269853, 7.934266578093900937375458335451, 8.761414318824999894348447805031, 9.271574097510806860633261607808

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