Properties

Label 2-230640-1.1-c1-0-26
Degree $2$
Conductor $230640$
Sign $1$
Analytic cond. $1841.66$
Root an. cond. $42.9146$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 5-s + 2·7-s + 9-s − 4·13-s + 15-s + 6·17-s − 2·21-s + 8·23-s + 25-s − 27-s + 4·29-s − 2·35-s + 4·37-s + 4·39-s + 2·41-s + 8·43-s − 45-s − 8·47-s − 3·49-s − 6·51-s + 10·53-s + 6·59-s − 10·61-s + 2·63-s + 4·65-s − 6·67-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s + 0.755·7-s + 1/3·9-s − 1.10·13-s + 0.258·15-s + 1.45·17-s − 0.436·21-s + 1.66·23-s + 1/5·25-s − 0.192·27-s + 0.742·29-s − 0.338·35-s + 0.657·37-s + 0.640·39-s + 0.312·41-s + 1.21·43-s − 0.149·45-s − 1.16·47-s − 3/7·49-s − 0.840·51-s + 1.37·53-s + 0.781·59-s − 1.28·61-s + 0.251·63-s + 0.496·65-s − 0.733·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 230640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 230640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(230640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 31^{2}\)
Sign: $1$
Analytic conductor: \(1841.66\)
Root analytic conductor: \(42.9146\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 230640,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.346001448\)
\(L(\frac12)\) \(\approx\) \(2.346001448\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
5 \( 1 + T \)
31 \( 1 \)
good7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 4 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 6 T + p T^{2} \)
71 \( 1 + 2 T + p T^{2} \)
73 \( 1 + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 12 T + p T^{2} \)
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

−12.83197199224302, −12.29517812737821, −12.06004939281619, −11.51071570547648, −11.19334785829622, −10.62977736193222, −10.20779698481005, −9.764541885759815, −9.172101152103789, −8.746249548510469, −8.033345819395521, −7.675888343708020, −7.338642121354665, −6.799224915593955, −6.228683050397207, −5.533531546709086, −5.218643985548672, −4.684803544363172, −4.350771125611190, −3.593289222054729, −2.940683288178189, −2.548044476862702, −1.615407470456669, −1.061032964855739, −0.5116786870957751, 0.5116786870957751, 1.061032964855739, 1.615407470456669, 2.548044476862702, 2.940683288178189, 3.593289222054729, 4.350771125611190, 4.684803544363172, 5.218643985548672, 5.533531546709086, 6.228683050397207, 6.799224915593955, 7.338642121354665, 7.675888343708020, 8.033345819395521, 8.746249548510469, 9.172101152103789, 9.764541885759815, 10.20779698481005, 10.62977736193222, 11.19334785829622, 11.51071570547648, 12.06004939281619, 12.29517812737821, 12.83197199224302

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