Properties

Label 2-1440-1.1-c1-0-19
Degree $2$
Conductor $1440$
Sign $-1$
Analytic cond. $11.4984$
Root an. cond. $3.39093$
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  + 5-s + 2·7-s − 4·11-s − 6·13-s − 2·17-s − 8·19-s − 6·23-s + 25-s + 2·29-s − 4·31-s + 2·35-s + 2·37-s + 10·41-s + 2·43-s − 2·47-s − 3·49-s − 2·53-s − 4·55-s + 2·61-s − 6·65-s + 6·67-s − 12·71-s + 10·73-s − 8·77-s + 8·79-s − 10·83-s − 2·85-s + ⋯
L(s)  = 1  + 0.447·5-s + 0.755·7-s − 1.20·11-s − 1.66·13-s − 0.485·17-s − 1.83·19-s − 1.25·23-s + 1/5·25-s + 0.371·29-s − 0.718·31-s + 0.338·35-s + 0.328·37-s + 1.56·41-s + 0.304·43-s − 0.291·47-s − 3/7·49-s − 0.274·53-s − 0.539·55-s + 0.256·61-s − 0.744·65-s + 0.733·67-s − 1.42·71-s + 1.17·73-s − 0.911·77-s + 0.900·79-s − 1.09·83-s − 0.216·85-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $-1$
Analytic conductor: \(11.4984\)
Root analytic conductor: \(3.39093\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1440,\ (\ :1/2),\ -1)\)

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 \( 1 \)
3 \( 1 \)
5 \( 1 - T \)
good7 \( 1 - 2 T + p T^{2} \)
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

−9.173036644566947320848099598200, −8.165910020926354745044007473450, −7.69912747069076488354294405346, −6.68490910721201518672569982184, −5.73515780171722867164156586914, −4.89165840272277024202803368024, −4.22669245032069068079121236742, −2.55409854567901025018681303094, −2.04771450425397713697384155116, 0, 2.04771450425397713697384155116, 2.55409854567901025018681303094, 4.22669245032069068079121236742, 4.89165840272277024202803368024, 5.73515780171722867164156586914, 6.68490910721201518672569982184, 7.69912747069076488354294405346, 8.165910020926354745044007473450, 9.173036644566947320848099598200

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