Properties

Label 2-240-1.1-c5-0-7
Degree $2$
Conductor $240$
Sign $1$
Analytic cond. $38.4921$
Root an. cond. $6.20420$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 9·3-s + 25·5-s + 160·7-s + 81·9-s + 596·11-s − 122·13-s − 225·15-s − 1.07e3·17-s − 796·19-s − 1.44e3·21-s + 1.08e3·23-s + 625·25-s − 729·27-s + 46·29-s + 4.95e3·31-s − 5.36e3·33-s + 4.00e3·35-s − 6.11e3·37-s + 1.09e3·39-s − 6·41-s + 2.41e4·43-s + 2.02e3·45-s − 1.34e4·47-s + 8.79e3·49-s + 9.70e3·51-s + 2.05e4·53-s + 1.49e4·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 1.23·7-s + 1/3·9-s + 1.48·11-s − 0.200·13-s − 0.258·15-s − 0.904·17-s − 0.505·19-s − 0.712·21-s + 0.428·23-s + 1/5·25-s − 0.192·27-s + 0.0101·29-s + 0.925·31-s − 0.857·33-s + 0.551·35-s − 0.734·37-s + 0.115·39-s − 0.000557·41-s + 1.98·43-s + 0.149·45-s − 0.890·47-s + 0.523·49-s + 0.522·51-s + 1.00·53-s + 0.664·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(240\)    =    \(2^{4} \cdot 3 \cdot 5\)
Sign: $1$
Analytic conductor: \(38.4921\)
Root analytic conductor: \(6.20420\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 240,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(2.282171920\)
\(L(\frac12)\) \(\approx\) \(2.282171920\)
\(L(\frac{7}{2})\) 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 \( 1 + p^{2} T \)
5 \( 1 - p^{2} T \)
good7 \( 1 - 160 T + p^{5} T^{2} \)
11 \( 1 - 596 T + p^{5} T^{2} \)
13 \( 1 + 122 T + p^{5} T^{2} \)
17 \( 1 + 1078 T + p^{5} T^{2} \)
19 \( 1 + 796 T + p^{5} T^{2} \)
23 \( 1 - 1088 T + p^{5} T^{2} \)
29 \( 1 - 46 T + p^{5} T^{2} \)
31 \( 1 - 4952 T + p^{5} T^{2} \)
37 \( 1 + 6114 T + p^{5} T^{2} \)
41 \( 1 + 6 T + p^{5} T^{2} \)
43 \( 1 - 24116 T + p^{5} T^{2} \)
47 \( 1 + 13480 T + p^{5} T^{2} \)
53 \( 1 - 20598 T + p^{5} T^{2} \)
59 \( 1 - 46756 T + p^{5} T^{2} \)
61 \( 1 + 9602 T + p^{5} T^{2} \)
67 \( 1 - 17404 T + p^{5} T^{2} \)
71 \( 1 + 26568 T + p^{5} T^{2} \)
73 \( 1 - 75450 T + p^{5} T^{2} \)
79 \( 1 + 50472 T + p^{5} T^{2} \)
83 \( 1 + 33236 T + p^{5} T^{2} \)
89 \( 1 - 133194 T + p^{5} T^{2} \)
97 \( 1 + 42878 T + p^{5} T^{2} \)
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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

−11.34271300721522173805415488945, −10.48725504927703662950120089505, −9.287607071301285952975925160104, −8.436733573885988146792448482852, −7.08728592877654737569293856679, −6.20766622415685252188590893773, −4.99676912809566821986783277678, −4.09558676811677266237205024691, −2.11127621422059197424245410802, −0.986791568055470022194032034317, 0.986791568055470022194032034317, 2.11127621422059197424245410802, 4.09558676811677266237205024691, 4.99676912809566821986783277678, 6.20766622415685252188590893773, 7.08728592877654737569293856679, 8.436733573885988146792448482852, 9.287607071301285952975925160104, 10.48725504927703662950120089505, 11.34271300721522173805415488945

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