Properties

Label 2-15680-1.1-c1-0-24
Degree $2$
Conductor $15680$
Sign $1$
Analytic cond. $125.205$
Root an. cond. $11.1895$
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 − 2·9-s − 11-s + 5·13-s + 15-s + 17-s − 6·19-s + 4·23-s + 25-s − 5·27-s − 3·29-s − 2·31-s − 33-s − 8·37-s + 5·39-s − 10·41-s − 2·43-s − 2·45-s + 7·47-s + 51-s + 2·53-s − 55-s − 6·57-s + 14·59-s + 8·61-s + 5·65-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 2/3·9-s − 0.301·11-s + 1.38·13-s + 0.258·15-s + 0.242·17-s − 1.37·19-s + 0.834·23-s + 1/5·25-s − 0.962·27-s − 0.557·29-s − 0.359·31-s − 0.174·33-s − 1.31·37-s + 0.800·39-s − 1.56·41-s − 0.304·43-s − 0.298·45-s + 1.02·47-s + 0.140·51-s + 0.274·53-s − 0.134·55-s − 0.794·57-s + 1.82·59-s + 1.02·61-s + 0.620·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 15680 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 15680 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(15680\)    =    \(2^{6} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(125.205\)
Root analytic conductor: \(11.1895\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 15680,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.589966207\)
\(L(\frac12)\) \(\approx\) \(2.589966207\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 - T + p T^{2} \)
11 \( 1 + T + p T^{2} \)
13 \( 1 - 5 T + p T^{2} \)
17 \( 1 - T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 3 T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 - 7 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 - 14 T + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 - 14 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 10 T + p T^{2} \)
79 \( 1 - 11 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 - 4 T + p T^{2} \)
97 \( 1 + 3 T + p T^{2} \)
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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

−15.84111328938610, −15.44294938389266, −14.74255052872448, −14.43633646929976, −13.66732352243810, −13.32104034430825, −12.87533034143479, −12.11898984113810, −11.33911574236059, −10.96478338748527, −10.32773503578240, −9.762488866639082, −8.797641451133289, −8.677300299746013, −8.225009366581309, −7.217335610067090, −6.713949218706865, −5.906773958954726, −5.491843213683826, −4.700628605210703, −3.600422802017984, −3.443147259742095, −2.321431320418048, −1.846030561334898, −0.6586413986493067, 0.6586413986493067, 1.846030561334898, 2.321431320418048, 3.443147259742095, 3.600422802017984, 4.700628605210703, 5.491843213683826, 5.906773958954726, 6.713949218706865, 7.217335610067090, 8.225009366581309, 8.677300299746013, 8.797641451133289, 9.762488866639082, 10.32773503578240, 10.96478338748527, 11.33911574236059, 12.11898984113810, 12.87533034143479, 13.32104034430825, 13.66732352243810, 14.43633646929976, 14.74255052872448, 15.44294938389266, 15.84111328938610

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