Properties

Label 2-86640-1.1-c1-0-98
Degree $2$
Conductor $86640$
Sign $-1$
Analytic cond. $691.823$
Root an. cond. $26.3025$
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  + 3-s − 5-s + 4·7-s + 9-s − 6·11-s + 4·13-s − 15-s + 6·17-s + 4·21-s − 6·23-s + 25-s + 27-s − 2·29-s − 6·33-s − 4·35-s + 8·37-s + 4·39-s − 10·41-s + 4·43-s − 45-s + 2·47-s + 9·49-s + 6·51-s − 10·53-s + 6·55-s − 12·59-s + 2·61-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 1.51·7-s + 1/3·9-s − 1.80·11-s + 1.10·13-s − 0.258·15-s + 1.45·17-s + 0.872·21-s − 1.25·23-s + 1/5·25-s + 0.192·27-s − 0.371·29-s − 1.04·33-s − 0.676·35-s + 1.31·37-s + 0.640·39-s − 1.56·41-s + 0.609·43-s − 0.149·45-s + 0.291·47-s + 9/7·49-s + 0.840·51-s − 1.37·53-s + 0.809·55-s − 1.56·59-s + 0.256·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 86640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 86640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(86640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 19^{2}\)
Sign: $-1$
Analytic conductor: \(691.823\)
Root analytic conductor: \(26.3025\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 86640,\ (\ :1/2),\ -1)\)

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 \( 1 \)
3 \( 1 - T \)
5 \( 1 + T \)
19 \( 1 \)
good7 \( 1 - 4 T + p T^{2} \)
11 \( 1 + 6 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 - 2 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 2 T + p T^{2} \)
89 \( 1 - 14 T + p T^{2} \)
97 \( 1 + 12 T + p T^{2} \)
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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

−14.15258429190514, −13.72246820817785, −13.26859767631396, −12.72176302330231, −12.13169904975374, −11.71633036400264, −11.10947780592996, −10.67081759582781, −10.32071266367248, −9.701996661340837, −9.035284876681174, −8.355569297906999, −8.017573153394662, −7.779391662547201, −7.449861391258018, −6.460594308981567, −5.723519432603038, −5.439167133521766, −4.664861959169167, −4.337454355642445, −3.488067594381015, −3.081120118736913, −2.298536059280395, −1.665182089533932, −1.070516243009339, 0, 1.070516243009339, 1.665182089533932, 2.298536059280395, 3.081120118736913, 3.488067594381015, 4.337454355642445, 4.664861959169167, 5.439167133521766, 5.723519432603038, 6.460594308981567, 7.449861391258018, 7.779391662547201, 8.017573153394662, 8.355569297906999, 9.035284876681174, 9.701996661340837, 10.32071266367248, 10.67081759582781, 11.10947780592996, 11.71633036400264, 12.13169904975374, 12.72176302330231, 13.26859767631396, 13.72246820817785, 14.15258429190514

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