Properties

Label 2-80-1.1-c19-0-31
Degree $2$
Conductor $80$
Sign $-1$
Analytic cond. $183.053$
Root an. cond. $13.5297$
Motivic weight $19$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.66e4·3-s − 1.95e6·5-s + 3.98e7·7-s − 4.53e8·9-s + 1.01e10·11-s − 2.69e10·13-s − 5.19e10·15-s − 8.01e10·17-s + 1.16e12·19-s + 1.06e12·21-s − 1.37e13·23-s + 3.81e12·25-s − 4.30e13·27-s + 6.53e13·29-s + 8.92e12·31-s + 2.70e14·33-s − 7.78e13·35-s + 5.25e14·37-s − 7.18e14·39-s − 2.63e15·41-s + 1.50e15·43-s + 8.85e14·45-s + 3.65e15·47-s − 9.80e15·49-s − 2.13e15·51-s + 4.33e16·53-s − 1.98e16·55-s + ⋯
L(s)  = 1  + 0.780·3-s − 0.447·5-s + 0.373·7-s − 0.390·9-s + 1.29·11-s − 0.705·13-s − 0.349·15-s − 0.163·17-s + 0.831·19-s + 0.291·21-s − 1.59·23-s + 1/5·25-s − 1.08·27-s + 0.836·29-s + 0.0606·31-s + 1.01·33-s − 0.167·35-s + 0.664·37-s − 0.550·39-s − 1.25·41-s + 0.455·43-s + 0.174·45-s + 0.475·47-s − 0.860·49-s − 0.128·51-s + 1.80·53-s − 0.581·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(20-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s+19/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(80\)    =    \(2^{4} \cdot 5\)
Sign: $-1$
Analytic conductor: \(183.053\)
Root analytic conductor: \(13.5297\)
Motivic weight: \(19\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 80,\ (\ :19/2),\ -1)\)

Particular Values

\(L(10)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{21}{2})\) 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 \( 1 + p^{9} T \)
good3 \( 1 - 986 p^{3} T + p^{19} T^{2} \)
7 \( 1 - 5697718 p T + p^{19} T^{2} \)
11 \( 1 - 10161579168 T + p^{19} T^{2} \)
13 \( 1 + 26970649702 T + p^{19} T^{2} \)
17 \( 1 + 4714985478 p T + p^{19} T^{2} \)
19 \( 1 - 1169772071260 T + p^{19} T^{2} \)
23 \( 1 + 13795883851698 T + p^{19} T^{2} \)
29 \( 1 - 65324757765390 T + p^{19} T^{2} \)
31 \( 1 - 8926539984748 T + p^{19} T^{2} \)
37 \( 1 - 525454617064394 T + p^{19} T^{2} \)
41 \( 1 + 2635226882131818 T + p^{19} T^{2} \)
43 \( 1 - 1501708702325062 T + p^{19} T^{2} \)
47 \( 1 - 3651608570665986 T + p^{19} T^{2} \)
53 \( 1 - 43306800238889538 T + p^{19} T^{2} \)
59 \( 1 + 51652090463616180 T + p^{19} T^{2} \)
61 \( 1 - 45200043953043002 T + p^{19} T^{2} \)
67 \( 1 + 322077213275888894 T + p^{19} T^{2} \)
71 \( 1 + 393293311705873692 T + p^{19} T^{2} \)
73 \( 1 + 672469661893471342 T + p^{19} T^{2} \)
79 \( 1 - 482639101471927720 T + p^{19} T^{2} \)
83 \( 1 - 313265345629507302 T + p^{19} T^{2} \)
89 \( 1 + 4230101056729722390 T + p^{19} T^{2} \)
97 \( 1 - 354705113301714434 T + p^{19} T^{2} \)
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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

−10.08076832736699974222692882191, −9.053972511904482001043370959318, −8.194028756172979561058297319544, −7.23676785932041801167103069320, −5.93764225112735767804365205173, −4.51459577624604396102824799413, −3.56037969057132223041069752397, −2.47804353262236096771582235945, −1.33731007212906744202329483633, 0, 1.33731007212906744202329483633, 2.47804353262236096771582235945, 3.56037969057132223041069752397, 4.51459577624604396102824799413, 5.93764225112735767804365205173, 7.23676785932041801167103069320, 8.194028756172979561058297319544, 9.053972511904482001043370959318, 10.08076832736699974222692882191

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