Properties

Label 2-40e2-1.1-c1-0-22
Degree $2$
Conductor $1600$
Sign $-1$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s + 2·7-s + 9-s + 4·11-s − 6·13-s − 2·17-s − 8·19-s − 4·21-s + 6·23-s + 4·27-s + 2·29-s + 4·31-s − 8·33-s + 2·37-s + 12·39-s − 10·41-s − 2·43-s + 2·47-s − 3·49-s + 4·51-s + 2·53-s + 16·57-s − 2·61-s + 2·63-s − 6·67-s − 12·69-s − 12·71-s + ⋯
L(s)  = 1  − 1.15·3-s + 0.755·7-s + 1/3·9-s + 1.20·11-s − 1.66·13-s − 0.485·17-s − 1.83·19-s − 0.872·21-s + 1.25·23-s + 0.769·27-s + 0.371·29-s + 0.718·31-s − 1.39·33-s + 0.328·37-s + 1.92·39-s − 1.56·41-s − 0.304·43-s + 0.291·47-s − 3/7·49-s + 0.560·51-s + 0.274·53-s + 2.11·57-s − 0.256·61-s + 0.251·63-s − 0.733·67-s − 1.44·69-s − 1.42·71-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 2 T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 8 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 - 2 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 + 6 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 + 10 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 10 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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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

−8.940065788699458033470615965870, −8.332838638645821456148515024672, −7.06837717057143174196449719945, −6.65562219769384853070678203854, −5.72681341166535294764307852221, −4.71417813243476363904421798760, −4.42690261596024658611815234137, −2.75972747479066660033756808110, −1.51149405336740628394851182536, 0, 1.51149405336740628394851182536, 2.75972747479066660033756808110, 4.42690261596024658611815234137, 4.71417813243476363904421798760, 5.72681341166535294764307852221, 6.65562219769384853070678203854, 7.06837717057143174196449719945, 8.332838638645821456148515024672, 8.940065788699458033470615965870

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