Properties

Label 2-40e2-8.5-c1-0-37
Degree $2$
Conductor $1600$
Sign $-0.707 - 0.707i$
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  − 3.44i·3-s − 8.89·9-s − 5.44i·11-s + 1.89·17-s − 6.34i·19-s + 20.3i·27-s − 18.7·33-s − 6.79·41-s + 10i·43-s − 7·49-s − 6.55i·51-s − 21.8·57-s + 6i·59-s − 0.348i·67-s + 15.6·73-s + ⋯
L(s)  = 1  − 1.99i·3-s − 2.96·9-s − 1.64i·11-s + 0.460·17-s − 1.45i·19-s + 3.91i·27-s − 3.27·33-s − 1.06·41-s + 1.52i·43-s − 49-s − 0.917i·51-s − 2.90·57-s + 0.781i·59-s − 0.0425i·67-s + 1.83·73-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.707 - 0.707i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.707 - 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-0.707 - 0.707i$
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: \((2,\ 1600,\ (\ :1/2),\ -0.707 - 0.707i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.026389232\)
\(L(\frac12)\) \(\approx\) \(1.026389232\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.44iT - 3T^{2} \)
7 \( 1 + 7T^{2} \)
11 \( 1 + 5.44iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 1.89T + 17T^{2} \)
19 \( 1 + 6.34iT - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 6.79T + 41T^{2} \)
43 \( 1 - 10iT - 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 - 6iT - 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 + 0.348iT - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 15.6T + 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + 6.55iT - 83T^{2} \)
89 \( 1 + 4.10T + 89T^{2} \)
97 \( 1 + 10T + 97T^{2} \)
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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

−8.540339703953776210074834015992, −8.137744723266701735495628161361, −7.26294383048984326556110567060, −6.53455498020109620982278037090, −5.93995314542723740075259388663, −5.08579881745749294888630438122, −3.30173201117611897198000901397, −2.65819863299756873929878575094, −1.37891358579616000913528935289, −0.40141296731276892723743300050, 2.11322504685344925314654835613, 3.40729810453939568398121871495, 4.02655996405017393432138166371, 4.90898720589016166637762190945, 5.45699583734831101347793920249, 6.51455866753393542790214056899, 7.75009970375648314632341689773, 8.512194536439929949140408726198, 9.403983237483167233877710890904, 9.996769617314878661395607678662

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