Properties

Label 2-245-1.1-c5-0-20
Degree $2$
Conductor $245$
Sign $1$
Analytic cond. $39.2940$
Root an. cond. $6.26849$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 9.47·2-s + 20.3·3-s + 57.7·4-s + 25·5-s − 192.·6-s − 244.·8-s + 169.·9-s − 236.·10-s − 630.·11-s + 1.17e3·12-s − 192.·13-s + 507.·15-s + 464.·16-s − 847.·17-s − 1.60e3·18-s + 3.12e3·19-s + 1.44e3·20-s + 5.97e3·22-s + 1.80e3·23-s − 4.95e3·24-s + 625·25-s + 1.82e3·26-s − 1.50e3·27-s + 8.32e3·29-s − 4.80e3·30-s + 3.41e3·31-s + 3.41e3·32-s + ⋯
L(s)  = 1  − 1.67·2-s + 1.30·3-s + 1.80·4-s + 0.447·5-s − 2.18·6-s − 1.34·8-s + 0.695·9-s − 0.749·10-s − 1.57·11-s + 2.35·12-s − 0.315·13-s + 0.582·15-s + 0.453·16-s − 0.711·17-s − 1.16·18-s + 1.98·19-s + 0.807·20-s + 2.63·22-s + 0.711·23-s − 1.75·24-s + 0.200·25-s + 0.529·26-s − 0.396·27-s + 1.83·29-s − 0.975·30-s + 0.638·31-s + 0.589·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 245 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 245 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(245\)    =    \(5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(39.2940\)
Root analytic conductor: \(6.26849\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 245,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.419443400\)
\(L(\frac12)\) \(\approx\) \(1.419443400\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - 25T \)
7 \( 1 \)
good2 \( 1 + 9.47T + 32T^{2} \)
3 \( 1 - 20.3T + 243T^{2} \)
11 \( 1 + 630.T + 1.61e5T^{2} \)
13 \( 1 + 192.T + 3.71e5T^{2} \)
17 \( 1 + 847.T + 1.41e6T^{2} \)
19 \( 1 - 3.12e3T + 2.47e6T^{2} \)
23 \( 1 - 1.80e3T + 6.43e6T^{2} \)
29 \( 1 - 8.32e3T + 2.05e7T^{2} \)
31 \( 1 - 3.41e3T + 2.86e7T^{2} \)
37 \( 1 - 9.00e3T + 6.93e7T^{2} \)
41 \( 1 + 1.28e4T + 1.15e8T^{2} \)
43 \( 1 + 5.80e3T + 1.47e8T^{2} \)
47 \( 1 - 9.62e3T + 2.29e8T^{2} \)
53 \( 1 - 2.88e4T + 4.18e8T^{2} \)
59 \( 1 + 2.56e4T + 7.14e8T^{2} \)
61 \( 1 - 3.11e4T + 8.44e8T^{2} \)
67 \( 1 - 1.49e4T + 1.35e9T^{2} \)
71 \( 1 - 3.37e3T + 1.80e9T^{2} \)
73 \( 1 - 4.84e4T + 2.07e9T^{2} \)
79 \( 1 - 9.69e4T + 3.07e9T^{2} \)
83 \( 1 - 1.04e5T + 3.93e9T^{2} \)
89 \( 1 + 4.68e3T + 5.58e9T^{2} \)
97 \( 1 + 4.35e4T + 8.58e9T^{2} \)
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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

−10.70278253950659436575106897426, −9.918635551299558394835829314185, −9.279047139535522606176959844710, −8.331043778434513021382319436275, −7.78676288834412124143941784717, −6.81273364605149797857257521431, −5.10752035604625008472659818194, −2.95237342741049068054141698051, −2.31707883362312597582521424510, −0.842855322886977833845563700861, 0.842855322886977833845563700861, 2.31707883362312597582521424510, 2.95237342741049068054141698051, 5.10752035604625008472659818194, 6.81273364605149797857257521431, 7.78676288834412124143941784717, 8.331043778434513021382319436275, 9.279047139535522606176959844710, 9.918635551299558394835829314185, 10.70278253950659436575106897426

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