Properties

Label 2-2e7-1.1-c3-0-10
Degree $2$
Conductor $128$
Sign $-1$
Analytic cond. $7.55224$
Root an. cond. $2.74813$
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 − 6·5-s − 20·7-s − 23·9-s + 14·11-s − 54·13-s − 12·15-s − 66·17-s + 162·19-s − 40·21-s − 172·23-s − 89·25-s − 100·27-s + 2·29-s + 128·31-s + 28·33-s + 120·35-s − 158·37-s − 108·39-s + 202·41-s − 298·43-s + 138·45-s + 408·47-s + 57·49-s − 132·51-s + 690·53-s − 84·55-s + ⋯
L(s)  = 1  + 0.384·3-s − 0.536·5-s − 1.07·7-s − 0.851·9-s + 0.383·11-s − 1.15·13-s − 0.206·15-s − 0.941·17-s + 1.95·19-s − 0.415·21-s − 1.55·23-s − 0.711·25-s − 0.712·27-s + 0.0128·29-s + 0.741·31-s + 0.147·33-s + 0.579·35-s − 0.702·37-s − 0.443·39-s + 0.769·41-s − 1.05·43-s + 0.457·45-s + 1.26·47-s + 0.166·49-s − 0.362·51-s + 1.78·53-s − 0.205·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $-1$
Analytic conductor: \(7.55224\)
Root analytic conductor: \(2.74813\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 128,\ (\ :3/2),\ -1)\)

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 \( 1 \)
good3 \( 1 - 2 T + p^{3} T^{2} \)
5 \( 1 + 6 T + p^{3} T^{2} \)
7 \( 1 + 20 T + p^{3} T^{2} \)
11 \( 1 - 14 T + p^{3} T^{2} \)
13 \( 1 + 54 T + p^{3} T^{2} \)
17 \( 1 + 66 T + p^{3} T^{2} \)
19 \( 1 - 162 T + p^{3} T^{2} \)
23 \( 1 + 172 T + p^{3} T^{2} \)
29 \( 1 - 2 T + p^{3} T^{2} \)
31 \( 1 - 128 T + p^{3} T^{2} \)
37 \( 1 + 158 T + p^{3} T^{2} \)
41 \( 1 - 202 T + p^{3} T^{2} \)
43 \( 1 + 298 T + p^{3} T^{2} \)
47 \( 1 - 408 T + p^{3} T^{2} \)
53 \( 1 - 690 T + p^{3} T^{2} \)
59 \( 1 + 322 T + p^{3} T^{2} \)
61 \( 1 - 298 T + p^{3} T^{2} \)
67 \( 1 - 202 T + p^{3} T^{2} \)
71 \( 1 - 700 T + p^{3} T^{2} \)
73 \( 1 + 418 T + p^{3} T^{2} \)
79 \( 1 + 744 T + p^{3} T^{2} \)
83 \( 1 + 678 T + p^{3} T^{2} \)
89 \( 1 + 82 T + p^{3} T^{2} \)
97 \( 1 + 1122 T + p^{3} T^{2} \)
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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

−12.15457242286695730911387395819, −11.62955405816231158834436518069, −10.02935753955642259885311034303, −9.269479990022999905048317332152, −8.033627916401084560010221436778, −6.94962877606344074574683033498, −5.60811684336610888884693566072, −3.90180558884246009604784090386, −2.66397320793618286557279327508, 0, 2.66397320793618286557279327508, 3.90180558884246009604784090386, 5.60811684336610888884693566072, 6.94962877606344074574683033498, 8.033627916401084560010221436778, 9.269479990022999905048317332152, 10.02935753955642259885311034303, 11.62955405816231158834436518069, 12.15457242286695730911387395819

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