Properties

Label 2-7e4-1.1-c3-0-420
Degree $2$
Conductor $2401$
Sign $-1$
Analytic cond. $141.663$
Root an. cond. $11.9022$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.08·2-s + 2.49·3-s + 1.49·4-s + 3.20·5-s + 7.67·6-s − 20.0·8-s − 20.7·9-s + 9.88·10-s − 15.6·11-s + 3.71·12-s + 65.9·13-s + 7.98·15-s − 73.7·16-s + 95.1·17-s − 64.0·18-s + 90.4·19-s + 4.78·20-s − 48.1·22-s − 105.·23-s − 49.9·24-s − 114.·25-s + 203.·26-s − 119.·27-s − 162.·29-s + 24.6·30-s − 140.·31-s − 66.6·32-s + ⋯
L(s)  = 1  + 1.08·2-s + 0.479·3-s + 0.186·4-s + 0.286·5-s + 0.521·6-s − 0.886·8-s − 0.770·9-s + 0.312·10-s − 0.428·11-s + 0.0893·12-s + 1.40·13-s + 0.137·15-s − 1.15·16-s + 1.35·17-s − 0.839·18-s + 1.09·19-s + 0.0534·20-s − 0.466·22-s − 0.953·23-s − 0.424·24-s − 0.917·25-s + 1.53·26-s − 0.848·27-s − 1.04·29-s + 0.149·30-s − 0.814·31-s − 0.368·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2401 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2401 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2401\)    =    \(7^{4}\)
Sign: $-1$
Analytic conductor: \(141.663\)
Root analytic conductor: \(11.9022\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2401,\ (\ :3/2),\ -1)\)

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)$
bad7 \( 1 \)
good2 \( 1 - 3.08T + 8T^{2} \)
3 \( 1 - 2.49T + 27T^{2} \)
5 \( 1 - 3.20T + 125T^{2} \)
11 \( 1 + 15.6T + 1.33e3T^{2} \)
13 \( 1 - 65.9T + 2.19e3T^{2} \)
17 \( 1 - 95.1T + 4.91e3T^{2} \)
19 \( 1 - 90.4T + 6.85e3T^{2} \)
23 \( 1 + 105.T + 1.21e4T^{2} \)
29 \( 1 + 162.T + 2.43e4T^{2} \)
31 \( 1 + 140.T + 2.97e4T^{2} \)
37 \( 1 - 312.T + 5.06e4T^{2} \)
41 \( 1 + 139.T + 6.89e4T^{2} \)
43 \( 1 - 87.5T + 7.95e4T^{2} \)
47 \( 1 + 66.8T + 1.03e5T^{2} \)
53 \( 1 + 215.T + 1.48e5T^{2} \)
59 \( 1 + 147.T + 2.05e5T^{2} \)
61 \( 1 + 643.T + 2.26e5T^{2} \)
67 \( 1 + 440.T + 3.00e5T^{2} \)
71 \( 1 + 502.T + 3.57e5T^{2} \)
73 \( 1 - 886.T + 3.89e5T^{2} \)
79 \( 1 + 1.25e3T + 4.93e5T^{2} \)
83 \( 1 - 587.T + 5.71e5T^{2} \)
89 \( 1 - 43.9T + 7.04e5T^{2} \)
97 \( 1 - 1.01e3T + 9.12e5T^{2} \)
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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

−8.064843045499648337398828236510, −7.65428519853061325475050727900, −6.18607974024254129411627333536, −5.78792048203860613513523912744, −5.22177534860306837496897810691, −3.96007627443636965080624556749, −3.45283725893998880038695819234, −2.69982807395550179015421046032, −1.47569742734025538093029638962, 0, 1.47569742734025538093029638962, 2.69982807395550179015421046032, 3.45283725893998880038695819234, 3.96007627443636965080624556749, 5.22177534860306837496897810691, 5.78792048203860613513523912744, 6.18607974024254129411627333536, 7.65428519853061325475050727900, 8.064843045499648337398828236510

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