Properties

Label 2-40e2-4.3-c2-0-40
Degree $2$
Conductor $1600$
Sign $1$
Analytic cond. $43.5968$
Root an. cond. $6.60279$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9·9-s + 10·13-s + 30·17-s − 42·29-s − 70·37-s + 18·41-s + 49·49-s + 90·53-s + 22·61-s + 110·73-s + 81·81-s − 78·89-s − 130·97-s + 198·101-s + 182·109-s + 30·113-s + 90·117-s + ⋯
L(s)  = 1  + 9-s + 0.769·13-s + 1.76·17-s − 1.44·29-s − 1.89·37-s + 0.439·41-s + 49-s + 1.69·53-s + 0.360·61-s + 1.50·73-s + 81-s − 0.876·89-s − 1.34·97-s + 1.96·101-s + 1.66·109-s + 0.265·113-s + 0.769·117-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(43.5968\)
Root analytic conductor: \(6.60279\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: $\chi_{1600} (1151, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.409960127\)
\(L(\frac12)\) \(\approx\) \(2.409960127\)
\(L(2)\) 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 \( ( 1 - p T )( 1 + p T ) \)
7 \( ( 1 - p T )( 1 + p T ) \)
11 \( ( 1 - p T )( 1 + p T ) \)
13 \( 1 - 10 T + p^{2} T^{2} \)
17 \( 1 - 30 T + p^{2} T^{2} \)
19 \( ( 1 - p T )( 1 + p T ) \)
23 \( ( 1 - p T )( 1 + p T ) \)
29 \( 1 + 42 T + p^{2} T^{2} \)
31 \( ( 1 - p T )( 1 + p T ) \)
37 \( 1 + 70 T + p^{2} T^{2} \)
41 \( 1 - 18 T + p^{2} T^{2} \)
43 \( ( 1 - p T )( 1 + p T ) \)
47 \( ( 1 - p T )( 1 + p T ) \)
53 \( 1 - 90 T + p^{2} T^{2} \)
59 \( ( 1 - p T )( 1 + p T ) \)
61 \( 1 - 22 T + p^{2} T^{2} \)
67 \( ( 1 - p T )( 1 + p T ) \)
71 \( ( 1 - p T )( 1 + p T ) \)
73 \( 1 - 110 T + p^{2} T^{2} \)
79 \( ( 1 - p T )( 1 + p T ) \)
83 \( ( 1 - p T )( 1 + p T ) \)
89 \( 1 + 78 T + p^{2} T^{2} \)
97 \( 1 + 130 T + p^{2} T^{2} \)
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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

−9.266111874409491464702572109444, −8.421604999422886110856437951095, −7.52811605302068276303622600329, −6.98267977965120420060844208806, −5.85879046004519036359983248707, −5.21972899574520890684064063109, −3.99487247109607255108489912048, −3.40584005583173808145100182005, −1.93575569798055937544859014171, −0.924997376009097049877988639573, 0.924997376009097049877988639573, 1.93575569798055937544859014171, 3.40584005583173808145100182005, 3.99487247109607255108489912048, 5.21972899574520890684064063109, 5.85879046004519036359983248707, 6.98267977965120420060844208806, 7.52811605302068276303622600329, 8.421604999422886110856437951095, 9.266111874409491464702572109444

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