Properties

Label 2-40e2-8.5-c1-0-34
Degree $2$
Conductor $1600$
Sign $-0.965 + 0.258i$
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  − 2.44i·3-s + 1.41·7-s − 2.99·9-s − 2i·11-s − 5.65i·13-s − 4.89·17-s + 6i·19-s − 3.46i·21-s + 7.07·23-s − 6.92i·29-s − 6.92·31-s − 4.89·33-s − 2.82i·37-s − 13.8·39-s − 4·41-s + ⋯
L(s)  = 1  − 1.41i·3-s + 0.534·7-s − 0.999·9-s − 0.603i·11-s − 1.56i·13-s − 1.18·17-s + 1.37i·19-s − 0.755i·21-s + 1.47·23-s − 1.28i·29-s − 1.24·31-s − 0.852·33-s − 0.464i·37-s − 2.21·39-s − 0.624·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.965 + 0.258i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.965 + 0.258i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-0.965 + 0.258i$
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: \((2,\ 1600,\ (\ :1/2),\ -0.965 + 0.258i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.388072296\)
\(L(\frac12)\) \(\approx\) \(1.388072296\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.44iT - 3T^{2} \)
7 \( 1 - 1.41T + 7T^{2} \)
11 \( 1 + 2iT - 11T^{2} \)
13 \( 1 + 5.65iT - 13T^{2} \)
17 \( 1 + 4.89T + 17T^{2} \)
19 \( 1 - 6iT - 19T^{2} \)
23 \( 1 - 7.07T + 23T^{2} \)
29 \( 1 + 6.92iT - 29T^{2} \)
31 \( 1 + 6.92T + 31T^{2} \)
37 \( 1 + 2.82iT - 37T^{2} \)
41 \( 1 + 4T + 41T^{2} \)
43 \( 1 + 2.44iT - 43T^{2} \)
47 \( 1 - 4.24T + 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 2iT - 59T^{2} \)
61 \( 1 + 3.46iT - 61T^{2} \)
67 \( 1 + 2.44iT - 67T^{2} \)
71 \( 1 - 6.92T + 71T^{2} \)
73 \( 1 - 4.89T + 73T^{2} \)
79 \( 1 + 6.92T + 79T^{2} \)
83 \( 1 - 12.2iT - 83T^{2} \)
89 \( 1 - 2T + 89T^{2} \)
97 \( 1 + 14.6T + 97T^{2} \)
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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

−8.695336139966972663594498173919, −8.108356686169501421398428862064, −7.54439147860787464234047880353, −6.70079222639323946846969264362, −5.87395015948857977393816203106, −5.17673283889535506555416819831, −3.79557429084374096162018441173, −2.67627034417922973715446433289, −1.67115220731945151723606599809, −0.53112305967938897472796508173, 1.76453684665982729058721692108, 3.00343674054883733757813618222, 4.17237461924182306661152297575, 4.69473285539727722197115074405, 5.25458779232025572559490467718, 6.76968440910288012950796567055, 7.12699377897739351176450563928, 8.643985497340552105026267577366, 9.099129091832756119870842652159, 9.552995538655591881121420653876

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