Properties

Label 2-240-1.1-c5-0-14
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 9·3-s + 25·5-s − 56·7-s + 81·9-s − 156·11-s + 350·13-s − 225·15-s + 786·17-s − 740·19-s + 504·21-s − 2.37e3·23-s + 625·25-s − 729·27-s + 2.57e3·29-s + 4.57e3·31-s + 1.40e3·33-s − 1.40e3·35-s − 1.22e4·37-s − 3.15e3·39-s − 1.02e4·41-s + 1.60e4·43-s + 2.02e3·45-s − 864·47-s − 1.36e4·49-s − 7.07e3·51-s − 1.76e4·53-s − 3.90e3·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s − 0.431·7-s + 1/3·9-s − 0.388·11-s + 0.574·13-s − 0.258·15-s + 0.659·17-s − 0.470·19-s + 0.249·21-s − 0.936·23-s + 1/5·25-s − 0.192·27-s + 0.568·29-s + 0.855·31-s + 0.224·33-s − 0.193·35-s − 1.46·37-s − 0.331·39-s − 0.950·41-s + 1.32·43-s + 0.149·45-s − 0.0570·47-s − 0.813·49-s − 0.380·51-s − 0.863·53-s − 0.173·55-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: \(1\)
Selberg data: \((2,\ 240,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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 \( 1 + 8 p T + p^{5} T^{2} \)
11 \( 1 + 156 T + p^{5} T^{2} \)
13 \( 1 - 350 T + p^{5} T^{2} \)
17 \( 1 - 786 T + p^{5} T^{2} \)
19 \( 1 + 740 T + p^{5} T^{2} \)
23 \( 1 + 2376 T + p^{5} T^{2} \)
29 \( 1 - 2574 T + p^{5} T^{2} \)
31 \( 1 - 4576 T + p^{5} T^{2} \)
37 \( 1 + 12202 T + p^{5} T^{2} \)
41 \( 1 + 10230 T + p^{5} T^{2} \)
43 \( 1 - 16084 T + p^{5} T^{2} \)
47 \( 1 + 864 T + p^{5} T^{2} \)
53 \( 1 + 17658 T + p^{5} T^{2} \)
59 \( 1 + 48684 T + p^{5} T^{2} \)
61 \( 1 + 33778 T + p^{5} T^{2} \)
67 \( 1 + 3524 T + p^{5} T^{2} \)
71 \( 1 + 38280 T + p^{5} T^{2} \)
73 \( 1 + 79702 T + p^{5} T^{2} \)
79 \( 1 + 99248 T + p^{5} T^{2} \)
83 \( 1 - 22284 T + p^{5} T^{2} \)
89 \( 1 - 94650 T + p^{5} T^{2} \)
97 \( 1 - 9122 T + p^{5} T^{2} \)
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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

−10.60808385906482659964256224360, −10.06548086632608812739585821094, −8.900566590076440848167445644901, −7.75823394506011029301260748519, −6.48946407836431391956933423565, −5.77818643155782558558420546555, −4.55331102895050284908003443631, −3.12073291557906327768627290428, −1.53895905774983190393173518118, 0, 1.53895905774983190393173518118, 3.12073291557906327768627290428, 4.55331102895050284908003443631, 5.77818643155782558558420546555, 6.48946407836431391956933423565, 7.75823394506011029301260748519, 8.900566590076440848167445644901, 10.06548086632608812739585821094, 10.60808385906482659964256224360

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