Properties

Label 2-320-1.1-c3-0-19
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 + 36·11-s + 42·13-s − 20·15-s − 110·17-s − 116·19-s − 64·21-s − 16·23-s + 25·25-s − 152·27-s − 198·29-s − 240·31-s + 144·33-s + 80·35-s + 258·37-s + 168·39-s + 442·41-s − 292·43-s + 55·45-s − 392·47-s − 87·49-s − 440·51-s − 142·53-s − 180·55-s + ⋯
L(s)  = 1  + 0.769·3-s − 0.447·5-s − 0.863·7-s − 0.407·9-s + 0.986·11-s + 0.896·13-s − 0.344·15-s − 1.56·17-s − 1.40·19-s − 0.665·21-s − 0.145·23-s + 1/5·25-s − 1.08·27-s − 1.26·29-s − 1.39·31-s + 0.759·33-s + 0.386·35-s + 1.14·37-s + 0.689·39-s + 1.68·41-s − 1.03·43-s + 0.182·45-s − 1.21·47-s − 0.253·49-s − 1.20·51-s − 0.368·53-s − 0.441·55-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 \( 1 - 36 T + p^{3} T^{2} \)
13 \( 1 - 42 T + p^{3} T^{2} \)
17 \( 1 + 110 T + p^{3} T^{2} \)
19 \( 1 + 116 T + p^{3} T^{2} \)
23 \( 1 + 16 T + p^{3} T^{2} \)
29 \( 1 + 198 T + p^{3} T^{2} \)
31 \( 1 + 240 T + p^{3} T^{2} \)
37 \( 1 - 258 T + p^{3} T^{2} \)
41 \( 1 - 442 T + p^{3} T^{2} \)
43 \( 1 + 292 T + p^{3} T^{2} \)
47 \( 1 + 392 T + p^{3} T^{2} \)
53 \( 1 + 142 T + p^{3} T^{2} \)
59 \( 1 + 348 T + p^{3} T^{2} \)
61 \( 1 - 570 T + p^{3} T^{2} \)
67 \( 1 - 692 T + p^{3} T^{2} \)
71 \( 1 + 168 T + p^{3} T^{2} \)
73 \( 1 + 134 T + p^{3} T^{2} \)
79 \( 1 + 784 T + p^{3} T^{2} \)
83 \( 1 - 564 T + p^{3} T^{2} \)
89 \( 1 - 1034 T + p^{3} T^{2} \)
97 \( 1 + 382 T + p^{3} T^{2} \)
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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

−10.95789202929013331604096528050, −9.428551215501720449718838795900, −8.939320923146937509086992062761, −8.072850222505667551556927881472, −6.77545788870985340021630699596, −6.03555047376347676102488392350, −4.20618639180460077621153457505, −3.45746702875020591393751882693, −2.07758667987866208522623721440, 0, 2.07758667987866208522623721440, 3.45746702875020591393751882693, 4.20618639180460077621153457505, 6.03555047376347676102488392350, 6.77545788870985340021630699596, 8.072850222505667551556927881472, 8.939320923146937509086992062761, 9.428551215501720449718838795900, 10.95789202929013331604096528050

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