Properties

Label 2-40e2-20.3-c1-0-8
Degree $2$
Conductor $1600$
Sign $0.608 - 0.793i$
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  + (0.707 − 0.707i)3-s + (−2.82 − 2.82i)7-s + 1.99i·9-s + 5.19i·11-s + (2.44 + 2.44i)13-s + (3.67 − 3.67i)17-s − 1.73·19-s − 4.00·21-s + (−4.24 + 4.24i)23-s + (3.53 + 3.53i)27-s + 6i·29-s − 3.46i·31-s + (3.67 + 3.67i)33-s + 3.46·39-s − 3·41-s + ⋯
L(s)  = 1  + (0.408 − 0.408i)3-s + (−1.06 − 1.06i)7-s + 0.666i·9-s + 1.56i·11-s + (0.679 + 0.679i)13-s + (0.891 − 0.891i)17-s − 0.397·19-s − 0.872·21-s + (−0.884 + 0.884i)23-s + (0.680 + 0.680i)27-s + 1.11i·29-s − 0.622i·31-s + (0.639 + 0.639i)33-s + 0.554·39-s − 0.468·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.608 - 0.793i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.608 - 0.793i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.608 - 0.793i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (1343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.608 - 0.793i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.490258015\)
\(L(\frac12)\) \(\approx\) \(1.490258015\)
\(L(\frac{3}{2})\) 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 \( 1 + (-0.707 + 0.707i)T - 3iT^{2} \)
7 \( 1 + (2.82 + 2.82i)T + 7iT^{2} \)
11 \( 1 - 5.19iT - 11T^{2} \)
13 \( 1 + (-2.44 - 2.44i)T + 13iT^{2} \)
17 \( 1 + (-3.67 + 3.67i)T - 17iT^{2} \)
19 \( 1 + 1.73T + 19T^{2} \)
23 \( 1 + (4.24 - 4.24i)T - 23iT^{2} \)
29 \( 1 - 6iT - 29T^{2} \)
31 \( 1 + 3.46iT - 31T^{2} \)
37 \( 1 - 37iT^{2} \)
41 \( 1 + 3T + 41T^{2} \)
43 \( 1 + (2.82 - 2.82i)T - 43iT^{2} \)
47 \( 1 + (-4.24 - 4.24i)T + 47iT^{2} \)
53 \( 1 + (-7.34 - 7.34i)T + 53iT^{2} \)
59 \( 1 - 10.3T + 59T^{2} \)
61 \( 1 - 4T + 61T^{2} \)
67 \( 1 + (4.94 + 4.94i)T + 67iT^{2} \)
71 \( 1 - 10.3iT - 71T^{2} \)
73 \( 1 + (-11.0 - 11.0i)T + 73iT^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + (-2.12 + 2.12i)T - 83iT^{2} \)
89 \( 1 - 3iT - 89T^{2} \)
97 \( 1 + (-4.89 + 4.89i)T - 97iT^{2} \)
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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

−9.741571187492102807131899793397, −8.738627227057794381588840401830, −7.65689621599862229183648404916, −7.22370706639943134369521671462, −6.60572393599272174291924484456, −5.41256684913964705008163569532, −4.35589024766477088484590008517, −3.58936726720667198166722241250, −2.42646468810396431444880981899, −1.32489099187478995325943930449, 0.58003391216163446202421212186, 2.44444628650777354346317219911, 3.44776938393482798395806279866, 3.76040171969889837760772572022, 5.43420751861665255395112375650, 6.09575636422087888448259561952, 6.50774069714977980262300002809, 8.149169223597484064351484702628, 8.525018119146308159407537539800, 9.149497948279362370179134832633

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