Properties

Label 2-7e4-1.1-c3-0-257
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  + 1.90·2-s − 0.182·3-s − 4.35·4-s − 17.8·5-s − 0.347·6-s − 23.5·8-s − 26.9·9-s − 34.0·10-s − 20.0·11-s + 0.794·12-s + 44.6·13-s + 3.25·15-s − 10.1·16-s + 10.1·17-s − 51.4·18-s + 51.5·19-s + 77.8·20-s − 38.3·22-s + 155.·23-s + 4.29·24-s + 194.·25-s + 85.2·26-s + 9.83·27-s − 261.·29-s + 6.21·30-s + 211.·31-s + 169.·32-s + ⋯
L(s)  = 1  + 0.674·2-s − 0.0350·3-s − 0.544·4-s − 1.59·5-s − 0.0236·6-s − 1.04·8-s − 0.998·9-s − 1.07·10-s − 0.550·11-s + 0.0191·12-s + 0.952·13-s + 0.0560·15-s − 0.158·16-s + 0.145·17-s − 0.673·18-s + 0.622·19-s + 0.870·20-s − 0.371·22-s + 1.40·23-s + 0.0365·24-s + 1.55·25-s + 0.642·26-s + 0.0701·27-s − 1.67·29-s + 0.0378·30-s + 1.22·31-s + 0.935·32-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 \( 1 - 1.90T + 8T^{2} \)
3 \( 1 + 0.182T + 27T^{2} \)
5 \( 1 + 17.8T + 125T^{2} \)
11 \( 1 + 20.0T + 1.33e3T^{2} \)
13 \( 1 - 44.6T + 2.19e3T^{2} \)
17 \( 1 - 10.1T + 4.91e3T^{2} \)
19 \( 1 - 51.5T + 6.85e3T^{2} \)
23 \( 1 - 155.T + 1.21e4T^{2} \)
29 \( 1 + 261.T + 2.43e4T^{2} \)
31 \( 1 - 211.T + 2.97e4T^{2} \)
37 \( 1 - 327.T + 5.06e4T^{2} \)
41 \( 1 + 252.T + 6.89e4T^{2} \)
43 \( 1 + 19.5T + 7.95e4T^{2} \)
47 \( 1 + 7.94T + 1.03e5T^{2} \)
53 \( 1 - 259.T + 1.48e5T^{2} \)
59 \( 1 + 888.T + 2.05e5T^{2} \)
61 \( 1 + 198.T + 2.26e5T^{2} \)
67 \( 1 - 454.T + 3.00e5T^{2} \)
71 \( 1 - 10.6T + 3.57e5T^{2} \)
73 \( 1 + 29.9T + 3.89e5T^{2} \)
79 \( 1 - 906.T + 4.93e5T^{2} \)
83 \( 1 + 117.T + 5.71e5T^{2} \)
89 \( 1 + 210.T + 7.04e5T^{2} \)
97 \( 1 + 1.20e3T + 9.12e5T^{2} \)
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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

−8.167121300691093386699465354475, −7.66411576103560716314932120501, −6.57513135468455394336149081009, −5.65417403173065848143405532038, −4.98179682001549549631994387457, −4.15698929078675820671101532264, −3.38133511559162854563786641601, −2.88199059245505635208360671185, −0.890858517062959684992189619918, 0, 0.890858517062959684992189619918, 2.88199059245505635208360671185, 3.38133511559162854563786641601, 4.15698929078675820671101532264, 4.98179682001549549631994387457, 5.65417403173065848143405532038, 6.57513135468455394336149081009, 7.66411576103560716314932120501, 8.167121300691093386699465354475

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