Properties

Label 2-320-1.1-c3-0-21
Degree $2$
Conductor $320$
Sign $-1$
Analytic cond. $18.8806$
Root an. cond. $4.34518$
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  + 4·3-s − 5·5-s + 16·7-s − 11·9-s − 60·11-s − 86·13-s − 20·15-s + 18·17-s + 44·19-s + 64·21-s − 48·23-s + 25·25-s − 152·27-s + 186·29-s − 176·31-s − 240·33-s − 80·35-s − 254·37-s − 344·39-s + 186·41-s − 100·43-s + 55·45-s − 168·47-s − 87·49-s + 72·51-s + 498·53-s + 300·55-s + ⋯
L(s)  = 1  + 0.769·3-s − 0.447·5-s + 0.863·7-s − 0.407·9-s − 1.64·11-s − 1.83·13-s − 0.344·15-s + 0.256·17-s + 0.531·19-s + 0.665·21-s − 0.435·23-s + 1/5·25-s − 1.08·27-s + 1.19·29-s − 1.01·31-s − 1.26·33-s − 0.386·35-s − 1.12·37-s − 1.41·39-s + 0.708·41-s − 0.354·43-s + 0.182·45-s − 0.521·47-s − 0.253·49-s + 0.197·51-s + 1.29·53-s + 0.735·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $-1$
Analytic conductor: \(18.8806\)
Root analytic conductor: \(4.34518\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 320,\ (\ :3/2),\ -1)\)

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 \( 1 - 4 T + p^{3} T^{2} \)
7 \( 1 - 16 T + p^{3} T^{2} \)
11 \( 1 + 60 T + p^{3} T^{2} \)
13 \( 1 + 86 T + p^{3} T^{2} \)
17 \( 1 - 18 T + p^{3} T^{2} \)
19 \( 1 - 44 T + p^{3} T^{2} \)
23 \( 1 + 48 T + p^{3} T^{2} \)
29 \( 1 - 186 T + p^{3} T^{2} \)
31 \( 1 + 176 T + p^{3} T^{2} \)
37 \( 1 + 254 T + p^{3} T^{2} \)
41 \( 1 - 186 T + p^{3} T^{2} \)
43 \( 1 + 100 T + p^{3} T^{2} \)
47 \( 1 + 168 T + p^{3} T^{2} \)
53 \( 1 - 498 T + p^{3} T^{2} \)
59 \( 1 + 252 T + p^{3} T^{2} \)
61 \( 1 - 58 T + p^{3} T^{2} \)
67 \( 1 + 1036 T + p^{3} T^{2} \)
71 \( 1 + 168 T + p^{3} T^{2} \)
73 \( 1 - 506 T + p^{3} T^{2} \)
79 \( 1 + 272 T + p^{3} T^{2} \)
83 \( 1 - 948 T + p^{3} T^{2} \)
89 \( 1 + 1014 T + p^{3} T^{2} \)
97 \( 1 + 766 T + p^{3} T^{2} \)
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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

−10.66594512393171096976715746833, −9.819685119366186953620381150653, −8.641981090746485913195025934616, −7.83387058979112267978832495539, −7.35262018419568046800162158390, −5.46104685886736572930851625156, −4.71857606343080787150891611703, −3.11671469686772335442604811164, −2.20019938955047118294615154473, 0, 2.20019938955047118294615154473, 3.11671469686772335442604811164, 4.71857606343080787150891611703, 5.46104685886736572930851625156, 7.35262018419568046800162158390, 7.83387058979112267978832495539, 8.641981090746485913195025934616, 9.819685119366186953620381150653, 10.66594512393171096976715746833

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