Properties

Label 2-80-1.1-c3-0-5
Degree $2$
Conductor $80$
Sign $-1$
Analytic cond. $4.72015$
Root an. cond. $2.17259$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s − 5·5-s − 6·7-s − 23·9-s − 32·11-s − 38·13-s + 10·15-s + 26·17-s − 100·19-s + 12·21-s + 78·23-s + 25·25-s + 100·27-s − 50·29-s + 108·31-s + 64·33-s + 30·35-s + 266·37-s + 76·39-s + 22·41-s − 442·43-s + 115·45-s + 514·47-s − 307·49-s − 52·51-s + 2·53-s + 160·55-s + ⋯
L(s)  = 1  − 0.384·3-s − 0.447·5-s − 0.323·7-s − 0.851·9-s − 0.877·11-s − 0.810·13-s + 0.172·15-s + 0.370·17-s − 1.20·19-s + 0.124·21-s + 0.707·23-s + 1/5·25-s + 0.712·27-s − 0.320·29-s + 0.625·31-s + 0.337·33-s + 0.144·35-s + 1.18·37-s + 0.312·39-s + 0.0838·41-s − 1.56·43-s + 0.380·45-s + 1.59·47-s − 0.895·49-s − 0.142·51-s + 0.00518·53-s + 0.392·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(80\)    =    \(2^{4} \cdot 5\)
Sign: $-1$
Analytic conductor: \(4.72015\)
Root analytic conductor: \(2.17259\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 80,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + p T \)
good3 \( 1 + 2 T + p^{3} T^{2} \)
7 \( 1 + 6 T + p^{3} T^{2} \)
11 \( 1 + 32 T + p^{3} T^{2} \)
13 \( 1 + 38 T + p^{3} T^{2} \)
17 \( 1 - 26 T + p^{3} T^{2} \)
19 \( 1 + 100 T + p^{3} T^{2} \)
23 \( 1 - 78 T + p^{3} T^{2} \)
29 \( 1 + 50 T + p^{3} T^{2} \)
31 \( 1 - 108 T + p^{3} T^{2} \)
37 \( 1 - 266 T + p^{3} T^{2} \)
41 \( 1 - 22 T + p^{3} T^{2} \)
43 \( 1 + 442 T + p^{3} T^{2} \)
47 \( 1 - 514 T + p^{3} T^{2} \)
53 \( 1 - 2 T + p^{3} T^{2} \)
59 \( 1 + 500 T + p^{3} T^{2} \)
61 \( 1 + 518 T + p^{3} T^{2} \)
67 \( 1 + 126 T + p^{3} T^{2} \)
71 \( 1 + 412 T + p^{3} T^{2} \)
73 \( 1 + 878 T + p^{3} T^{2} \)
79 \( 1 + 600 T + p^{3} T^{2} \)
83 \( 1 + 282 T + p^{3} T^{2} \)
89 \( 1 + 150 T + p^{3} T^{2} \)
97 \( 1 - 386 T + p^{3} T^{2} \)
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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

−13.19916963121842390903970468399, −12.24010618878904062885601772795, −11.18908905957269009262159067636, −10.16888674163776461427892641324, −8.721601056253605451008279676098, −7.54163429329196184523456068222, −6.09808728439087014876801627768, −4.75802322654636899149247552097, −2.85631746265120405741129055688, 0, 2.85631746265120405741129055688, 4.75802322654636899149247552097, 6.09808728439087014876801627768, 7.54163429329196184523456068222, 8.721601056253605451008279676098, 10.16888674163776461427892641324, 11.18908905957269009262159067636, 12.24010618878904062885601772795, 13.19916963121842390903970468399

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