Properties

Label 2-2e7-1.1-c5-0-4
Degree $2$
Conductor $128$
Sign $1$
Analytic cond. $20.5291$
Root an. cond. $4.53090$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6·3-s − 94·5-s + 244·7-s − 207·9-s − 358·11-s + 770·13-s − 564·15-s + 670·17-s + 1.03e3·19-s + 1.46e3·21-s + 2.82e3·23-s + 5.71e3·25-s − 2.70e3·27-s + 762·29-s + 4.99e3·31-s − 2.14e3·33-s − 2.29e4·35-s + 3.56e3·37-s + 4.62e3·39-s + 858·41-s + 1.27e4·43-s + 1.94e4·45-s + 3.56e3·47-s + 4.27e4·49-s + 4.02e3·51-s + 9.11e3·53-s + 3.36e4·55-s + ⋯
L(s)  = 1  + 0.384·3-s − 1.68·5-s + 1.88·7-s − 0.851·9-s − 0.892·11-s + 1.26·13-s − 0.647·15-s + 0.562·17-s + 0.654·19-s + 0.724·21-s + 1.11·23-s + 1.82·25-s − 0.712·27-s + 0.168·29-s + 0.932·31-s − 0.343·33-s − 3.16·35-s + 0.427·37-s + 0.486·39-s + 0.0797·41-s + 1.05·43-s + 1.43·45-s + 0.235·47-s + 2.54·49-s + 0.216·51-s + 0.445·53-s + 1.50·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $1$
Analytic conductor: \(20.5291\)
Root analytic conductor: \(4.53090\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.865597039\)
\(L(\frac12)\) \(\approx\) \(1.865597039\)
\(L(\frac{7}{2})\) 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 \( 1 - 2 p T + p^{5} T^{2} \)
5 \( 1 + 94 T + p^{5} T^{2} \)
7 \( 1 - 244 T + p^{5} T^{2} \)
11 \( 1 + 358 T + p^{5} T^{2} \)
13 \( 1 - 770 T + p^{5} T^{2} \)
17 \( 1 - 670 T + p^{5} T^{2} \)
19 \( 1 - 1030 T + p^{5} T^{2} \)
23 \( 1 - 2828 T + p^{5} T^{2} \)
29 \( 1 - 762 T + p^{5} T^{2} \)
31 \( 1 - 4992 T + p^{5} T^{2} \)
37 \( 1 - 3562 T + p^{5} T^{2} \)
41 \( 1 - 858 T + p^{5} T^{2} \)
43 \( 1 - 12786 T + p^{5} T^{2} \)
47 \( 1 - 3560 T + p^{5} T^{2} \)
53 \( 1 - 9114 T + p^{5} T^{2} \)
59 \( 1 + 8246 T + p^{5} T^{2} \)
61 \( 1 + 4414 T + p^{5} T^{2} \)
67 \( 1 + 29986 T + p^{5} T^{2} \)
71 \( 1 - 49572 T + p^{5} T^{2} \)
73 \( 1 + 24370 T + p^{5} T^{2} \)
79 \( 1 + 65176 T + p^{5} T^{2} \)
83 \( 1 + 39378 T + p^{5} T^{2} \)
89 \( 1 - 11134 T + p^{5} T^{2} \)
97 \( 1 - 478 T + p^{5} T^{2} \)
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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

−12.10983436146925818710982555932, −11.30392660562263991452760106213, −10.84943262578513837876501770395, −8.720153423833104745471492567937, −8.119930571898606983640137097993, −7.50244198365188793256470642346, −5.42779102530448420779332860652, −4.29182005267925871549187187102, −2.97522705317463633019979943581, −0.962753042356626327274297015485, 0.962753042356626327274297015485, 2.97522705317463633019979943581, 4.29182005267925871549187187102, 5.42779102530448420779332860652, 7.50244198365188793256470642346, 8.119930571898606983640137097993, 8.720153423833104745471492567937, 10.84943262578513837876501770395, 11.30392660562263991452760106213, 12.10983436146925818710982555932

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