Properties

Label 2-272-1.1-c1-0-7
Degree $2$
Conductor $272$
Sign $-1$
Analytic cond. $2.17193$
Root an. cond. $1.47374$
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  − 2·5-s − 4·7-s − 3·9-s − 2·13-s + 17-s + 4·19-s − 4·23-s − 25-s + 6·29-s − 4·31-s + 8·35-s − 2·37-s − 6·41-s − 4·43-s + 6·45-s + 9·49-s + 6·53-s + 12·59-s − 10·61-s + 12·63-s + 4·65-s − 4·67-s + 4·71-s − 6·73-s − 12·79-s + 9·81-s + 4·83-s + ⋯
L(s)  = 1  − 0.894·5-s − 1.51·7-s − 9-s − 0.554·13-s + 0.242·17-s + 0.917·19-s − 0.834·23-s − 1/5·25-s + 1.11·29-s − 0.718·31-s + 1.35·35-s − 0.328·37-s − 0.937·41-s − 0.609·43-s + 0.894·45-s + 9/7·49-s + 0.824·53-s + 1.56·59-s − 1.28·61-s + 1.51·63-s + 0.496·65-s − 0.488·67-s + 0.474·71-s − 0.702·73-s − 1.35·79-s + 81-s + 0.439·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 272 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 272 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(272\)    =    \(2^{4} \cdot 17\)
Sign: $-1$
Analytic conductor: \(2.17193\)
Root analytic conductor: \(1.47374\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 272,\ (\ :1/2),\ -1)\)

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 \( 1 \)
17 \( 1 - T \)
good3 \( 1 + p T^{2} \)
5 \( 1 + 2 T + p T^{2} \)
7 \( 1 + 4 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 4 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + 12 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−11.77779497781898747190652445510, −10.40227615321498563936322188024, −9.578693167598756855048719447448, −8.535338766321817121127070704904, −7.50901244752622102880251473780, −6.48235693417520450637241002127, −5.37611913672208711896121353581, −3.78911546643884845747068338400, −2.88331668043848910381979864823, 0, 2.88331668043848910381979864823, 3.78911546643884845747068338400, 5.37611913672208711896121353581, 6.48235693417520450637241002127, 7.50901244752622102880251473780, 8.535338766321817121127070704904, 9.578693167598756855048719447448, 10.40227615321498563936322188024, 11.77779497781898747190652445510

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