Properties

Label 2-2520-280.69-c0-0-1
Degree $2$
Conductor $2520$
Sign $1$
Analytic cond. $1.25764$
Root an. cond. $1.12144$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s − 5-s − 7-s − 8-s + 10-s + 14-s + 16-s − 20-s + 25-s − 28-s − 32-s + 35-s + 40-s + 49-s − 50-s + 2·53-s + 56-s + 2·59-s + 64-s − 70-s + 2·73-s − 2·79-s − 80-s − 2·97-s − 98-s + 100-s + ⋯
L(s)  = 1  − 2-s + 4-s − 5-s − 7-s − 8-s + 10-s + 14-s + 16-s − 20-s + 25-s − 28-s − 32-s + 35-s + 40-s + 49-s − 50-s + 2·53-s + 56-s + 2·59-s + 64-s − 70-s + 2·73-s − 2·79-s − 80-s − 2·97-s − 98-s + 100-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2520\)    =    \(2^{3} \cdot 3^{2} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(1.25764\)
Root analytic conductor: \(1.12144\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{2520} (1189, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2520,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.5042071276\)
\(L(\frac12)\) \(\approx\) \(0.5042071276\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 \)
5 \( 1 + T \)
7 \( 1 + T \)
good11 \( ( 1 - T )( 1 + T ) \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( 1 + T^{2} \)
19 \( 1 + T^{2} \)
23 \( ( 1 - T )( 1 + T ) \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( 1 + T^{2} \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( 1 + T^{2} \)
47 \( 1 + T^{2} \)
53 \( ( 1 - T )^{2} \)
59 \( ( 1 - T )^{2} \)
61 \( 1 + T^{2} \)
67 \( 1 + T^{2} \)
71 \( 1 + T^{2} \)
73 \( ( 1 - T )^{2} \)
79 \( ( 1 + T )^{2} \)
83 \( ( 1 - T )( 1 + T ) \)
89 \( ( 1 - T )( 1 + T ) \)
97 \( ( 1 + T )^{2} \)
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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

−8.907552963482613960293790935735, −8.511372582747375206941125997049, −7.54429669642036282243439717436, −7.03726282087269493369091206194, −6.30645512637126622857685204113, −5.35983874228518724166298548057, −4.03368261583746502863354012564, −3.29370984578126772749406503855, −2.35052102646449820430057829549, −0.74781351685986104441415166383, 0.74781351685986104441415166383, 2.35052102646449820430057829549, 3.29370984578126772749406503855, 4.03368261583746502863354012564, 5.35983874228518724166298548057, 6.30645512637126622857685204113, 7.03726282087269493369091206194, 7.54429669642036282243439717436, 8.511372582747375206941125997049, 8.907552963482613960293790935735

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