Properties

Label 2-40e2-40.29-c1-0-20
Degree $2$
Conductor $1600$
Sign $0.748 - 0.663i$
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  + 2.73·3-s + 4.73i·7-s + 4.46·9-s − 3.46i·11-s + 3.46·13-s + 3.46i·17-s − 2i·19-s + 12.9i·21-s + 2.19i·23-s + 3.99·27-s + 2.53·31-s − 9.46i·33-s − 6·37-s + 9.46·39-s + 9.46·41-s + ⋯
L(s)  = 1  + 1.57·3-s + 1.78i·7-s + 1.48·9-s − 1.04i·11-s + 0.960·13-s + 0.840i·17-s − 0.458i·19-s + 2.82i·21-s + 0.457i·23-s + 0.769·27-s + 0.455·31-s − 1.64i·33-s − 0.986·37-s + 1.51·39-s + 1.47·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.748 - 0.663i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.748 - 0.663i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.748 - 0.663i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (1249, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.748 - 0.663i)\)

Particular Values

\(L(1)\) \(\approx\) \(3.100209061\)
\(L(\frac12)\) \(\approx\) \(3.100209061\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.73T + 3T^{2} \)
7 \( 1 - 4.73iT - 7T^{2} \)
11 \( 1 + 3.46iT - 11T^{2} \)
13 \( 1 - 3.46T + 13T^{2} \)
17 \( 1 - 3.46iT - 17T^{2} \)
19 \( 1 + 2iT - 19T^{2} \)
23 \( 1 - 2.19iT - 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 - 2.53T + 31T^{2} \)
37 \( 1 + 6T + 37T^{2} \)
41 \( 1 - 9.46T + 41T^{2} \)
43 \( 1 + 0.196T + 43T^{2} \)
47 \( 1 - 2.19iT - 47T^{2} \)
53 \( 1 - 10.3T + 53T^{2} \)
59 \( 1 - 6iT - 59T^{2} \)
61 \( 1 - 0.928iT - 61T^{2} \)
67 \( 1 - 0.196T + 67T^{2} \)
71 \( 1 + 16.3T + 71T^{2} \)
73 \( 1 - 6.39iT - 73T^{2} \)
79 \( 1 + 12T + 79T^{2} \)
83 \( 1 - 1.26T + 83T^{2} \)
89 \( 1 - 12.9T + 89T^{2} \)
97 \( 1 + 14.3iT - 97T^{2} \)
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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

−9.072483355652518137207282732174, −8.655445026943286138868602417178, −8.379669971945716805501449986347, −7.34449687791853178782540678664, −6.09107836170262905874907901318, −5.62182683913409703939460422760, −4.19688731453951213127205559124, −3.22867147104805207472808013420, −2.64447588045411647119143316734, −1.60450781011561824536650431566, 1.10555075908559938036157228688, 2.25810805864677933439854880971, 3.42490921202614560283341593560, 4.01952647958183072133863350664, 4.78787332436533268920002738291, 6.38153684760235733368471546754, 7.35762463749472254843886373399, 7.55559431797087976561559266097, 8.535467329142109209293688671082, 9.233147016750791586293071994499

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