Properties

Label 2-40e2-8.5-c1-0-16
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  + 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

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

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

\(L(1)\) \(\approx\) \(1.926247437\)
\(L(\frac12)\) \(\approx\) \(1.926247437\)
\(L(\frac{3}{2})\) 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

−9.751418479141308082631949145904, −8.786870489912152280692300328608, −8.179920667072441375208664513805, −7.37905276405055001039375600413, −5.95794861114106557921263760825, −5.33556892633710151402918392969, −4.69142473178184522255724791621, −3.46705258049797559335145238696, −3.09321895281421048473568916542, −1.14865351079801955579773138245, 0.957599599804535232267289757337, 1.90908187040050605445836791699, 2.83750464082889698456162455589, 4.34514828406207236746662602339, 5.10543064561347207049761334964, 6.33963196139394875969851212270, 6.89446304075254980070266331497, 7.50940059347626022226593475223, 8.280633968704939077687267340877, 9.123147105210870759975871620533

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