Properties

Label 2-2e4-1.1-c13-0-4
Degree $2$
Conductor $16$
Sign $-1$
Analytic cond. $17.1569$
Root an. cond. $4.14209$
Motivic weight $13$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 12·3-s − 4.33e3·5-s + 1.39e5·7-s − 1.59e6·9-s + 6.48e6·11-s − 2.25e7·13-s − 5.19e4·15-s − 2.37e7·17-s − 3.25e8·19-s + 1.67e6·21-s − 9.21e8·23-s − 1.20e9·25-s − 3.82e7·27-s − 3.86e9·29-s + 2.25e9·31-s + 7.78e7·33-s − 6.06e8·35-s + 1.82e10·37-s − 2.71e8·39-s + 3.44e10·41-s + 1.71e10·43-s + 6.90e9·45-s + 6.73e10·47-s − 7.72e10·49-s − 2.84e8·51-s − 8.72e10·53-s − 2.80e10·55-s + ⋯
L(s)  = 1  + 0.00950·3-s − 0.123·5-s + 0.449·7-s − 0.999·9-s + 1.10·11-s − 1.29·13-s − 0.00117·15-s − 0.238·17-s − 1.58·19-s + 0.00427·21-s − 1.29·23-s − 0.984·25-s − 0.0190·27-s − 1.20·29-s + 0.456·31-s + 0.0104·33-s − 0.0557·35-s + 1.16·37-s − 0.0123·39-s + 1.13·41-s + 0.414·43-s + 0.123·45-s + 0.911·47-s − 0.797·49-s − 0.00226·51-s − 0.540·53-s − 0.136·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(14-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+13/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $-1$
Analytic conductor: \(17.1569\)
Root analytic conductor: \(4.14209\)
Motivic weight: \(13\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 16,\ (\ :13/2),\ -1)\)

Particular Values

\(L(7)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{15}{2})\) 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 \( 1 - 4 p T + p^{13} T^{2} \)
5 \( 1 + 866 p T + p^{13} T^{2} \)
7 \( 1 - 139992 T + p^{13} T^{2} \)
11 \( 1 - 589484 p T + p^{13} T^{2} \)
13 \( 1 + 22588034 T + p^{13} T^{2} \)
17 \( 1 + 23732270 T + p^{13} T^{2} \)
19 \( 1 + 325344836 T + p^{13} T^{2} \)
23 \( 1 + 921600632 T + p^{13} T^{2} \)
29 \( 1 + 3865879218 T + p^{13} T^{2} \)
31 \( 1 - 2253401440 T + p^{13} T^{2} \)
37 \( 1 - 18250384566 T + p^{13} T^{2} \)
41 \( 1 - 34422845322 T + p^{13} T^{2} \)
43 \( 1 - 17192501444 T + p^{13} T^{2} \)
47 \( 1 - 67371749904 T + p^{13} T^{2} \)
53 \( 1 + 1646815442 p T + p^{13} T^{2} \)
59 \( 1 + 540214518668 T + p^{13} T^{2} \)
61 \( 1 + 51276568850 T + p^{13} T^{2} \)
67 \( 1 + 25519930676 T + p^{13} T^{2} \)
71 \( 1 - 1387500699032 T + p^{13} T^{2} \)
73 \( 1 + 819049441238 T + p^{13} T^{2} \)
79 \( 1 - 4030935615344 T + p^{13} T^{2} \)
83 \( 1 + 4180823831428 T + p^{13} T^{2} \)
89 \( 1 - 2677027798266 T + p^{13} T^{2} \)
97 \( 1 + 14039464316446 T + p^{13} T^{2} \)
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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

−14.99439117238226626602963460791, −14.13218259630179337233437949187, −12.30298589159561679674723887125, −11.17094040229553414726350288804, −9.393786039688065006566494636838, −7.916655757161315094635282443481, −6.09427755367712144828389261406, −4.24167625767759190340759521571, −2.18131556477790340318315289755, 0, 2.18131556477790340318315289755, 4.24167625767759190340759521571, 6.09427755367712144828389261406, 7.916655757161315094635282443481, 9.393786039688065006566494636838, 11.17094040229553414726350288804, 12.30298589159561679674723887125, 14.13218259630179337233437949187, 14.99439117238226626602963460791

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