Properties

Label 2-7e4-1.1-c3-0-402
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  − 5.47·2-s + 8.31·3-s + 21.9·4-s + 5.94·5-s − 45.4·6-s − 76.2·8-s + 42.0·9-s − 32.5·10-s − 31.3·11-s + 182.·12-s + 17.0·13-s + 49.3·15-s + 241.·16-s − 55.8·17-s − 230.·18-s + 16.2·19-s + 130.·20-s + 171.·22-s + 83.9·23-s − 633.·24-s − 89.7·25-s − 93.0·26-s + 125.·27-s − 100.·29-s − 270.·30-s + 153.·31-s − 712.·32-s + ⋯
L(s)  = 1  − 1.93·2-s + 1.59·3-s + 2.74·4-s + 0.531·5-s − 3.09·6-s − 3.37·8-s + 1.55·9-s − 1.02·10-s − 0.859·11-s + 4.38·12-s + 0.362·13-s + 0.849·15-s + 3.77·16-s − 0.797·17-s − 3.01·18-s + 0.196·19-s + 1.45·20-s + 1.66·22-s + 0.761·23-s − 5.39·24-s − 0.717·25-s − 0.701·26-s + 0.893·27-s − 0.642·29-s − 1.64·30-s + 0.890·31-s − 3.93·32-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 \( 1 + 5.47T + 8T^{2} \)
3 \( 1 - 8.31T + 27T^{2} \)
5 \( 1 - 5.94T + 125T^{2} \)
11 \( 1 + 31.3T + 1.33e3T^{2} \)
13 \( 1 - 17.0T + 2.19e3T^{2} \)
17 \( 1 + 55.8T + 4.91e3T^{2} \)
19 \( 1 - 16.2T + 6.85e3T^{2} \)
23 \( 1 - 83.9T + 1.21e4T^{2} \)
29 \( 1 + 100.T + 2.43e4T^{2} \)
31 \( 1 - 153.T + 2.97e4T^{2} \)
37 \( 1 + 98.3T + 5.06e4T^{2} \)
41 \( 1 + 330.T + 6.89e4T^{2} \)
43 \( 1 + 340.T + 7.95e4T^{2} \)
47 \( 1 + 79.8T + 1.03e5T^{2} \)
53 \( 1 - 56.1T + 1.48e5T^{2} \)
59 \( 1 - 196.T + 2.05e5T^{2} \)
61 \( 1 + 555.T + 2.26e5T^{2} \)
67 \( 1 + 379.T + 3.00e5T^{2} \)
71 \( 1 - 1.04e3T + 3.57e5T^{2} \)
73 \( 1 - 1.20e3T + 3.89e5T^{2} \)
79 \( 1 - 937.T + 4.93e5T^{2} \)
83 \( 1 + 598.T + 5.71e5T^{2} \)
89 \( 1 + 988.T + 7.04e5T^{2} \)
97 \( 1 - 890.T + 9.12e5T^{2} \)
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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

−8.227591816047036871967280225388, −7.991658711500715625378177608068, −7.04792511248544141712807091819, −6.46042788634427490869746206298, −5.24951572849487304663816461524, −3.61268446637640131397899130944, −2.76941414879734860592404965262, −2.12679292438699690617869008125, −1.38775442567163641799642130396, 0, 1.38775442567163641799642130396, 2.12679292438699690617869008125, 2.76941414879734860592404965262, 3.61268446637640131397899130944, 5.24951572849487304663816461524, 6.46042788634427490869746206298, 7.04792511248544141712807091819, 7.991658711500715625378177608068, 8.227591816047036871967280225388

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