Properties

Label 2-54-1.1-c7-0-4
Degree $2$
Conductor $54$
Sign $1$
Analytic cond. $16.8687$
Root an. cond. $4.10716$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s + 64·4-s + 120·5-s + 377·7-s + 512·8-s + 960·10-s + 600·11-s + 5.36e3·13-s + 3.01e3·14-s + 4.09e3·16-s + 1.21e4·17-s + 1.62e4·19-s + 7.68e3·20-s + 4.80e3·22-s + 1.06e5·23-s − 6.37e4·25-s + 4.29e4·26-s + 2.41e4·28-s + 1.77e5·29-s − 2.68e5·31-s + 3.27e4·32-s + 9.73e4·34-s + 4.52e4·35-s + 1.14e5·37-s + 1.29e5·38-s + 6.14e4·40-s − 1.12e5·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.429·5-s + 0.415·7-s + 0.353·8-s + 0.303·10-s + 0.135·11-s + 0.677·13-s + 0.293·14-s + 1/4·16-s + 0.600·17-s + 0.542·19-s + 0.214·20-s + 0.0961·22-s + 1.82·23-s − 0.815·25-s + 0.479·26-s + 0.207·28-s + 1.34·29-s − 1.61·31-s + 0.176·32-s + 0.424·34-s + 0.178·35-s + 0.373·37-s + 0.383·38-s + 0.151·40-s − 0.254·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 54 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 54 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(54\)    =    \(2 \cdot 3^{3}\)
Sign: $1$
Analytic conductor: \(16.8687\)
Root analytic conductor: \(4.10716\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 54,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(3.385782465\)
\(L(\frac12)\) \(\approx\) \(3.385782465\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{3} T \)
3 \( 1 \)
good5 \( 1 - 24 p T + p^{7} T^{2} \)
7 \( 1 - 377 T + p^{7} T^{2} \)
11 \( 1 - 600 T + p^{7} T^{2} \)
13 \( 1 - 413 p T + p^{7} T^{2} \)
17 \( 1 - 12168 T + p^{7} T^{2} \)
19 \( 1 - 16211 T + p^{7} T^{2} \)
23 \( 1 - 106392 T + p^{7} T^{2} \)
29 \( 1 - 177216 T + p^{7} T^{2} \)
31 \( 1 + 268060 T + p^{7} T^{2} \)
37 \( 1 - 3107 p T + p^{7} T^{2} \)
41 \( 1 + 112128 T + p^{7} T^{2} \)
43 \( 1 + 115048 T + p^{7} T^{2} \)
47 \( 1 - 561336 T + p^{7} T^{2} \)
53 \( 1 + 1787760 T + p^{7} T^{2} \)
59 \( 1 + 1786344 T + p^{7} T^{2} \)
61 \( 1 + 1306837 T + p^{7} T^{2} \)
67 \( 1 + 2013817 T + p^{7} T^{2} \)
71 \( 1 + 4060944 T + p^{7} T^{2} \)
73 \( 1 + 3850639 T + p^{7} T^{2} \)
79 \( 1 - 1037231 T + p^{7} T^{2} \)
83 \( 1 - 9203568 T + p^{7} T^{2} \)
89 \( 1 + 1289304 T + p^{7} T^{2} \)
97 \( 1 - 88205 p T + p^{7} T^{2} \)
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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

−13.86867928058926597482648858993, −12.88681696965334178388850609696, −11.65172943096396841762973300617, −10.59619386209118130026424453878, −9.121085939868488568377273578417, −7.56692515506943755919618262673, −6.12058908911325826341898168948, −4.88279479120442117985688092904, −3.22013881846311690052507274075, −1.42073146658780787921852952739, 1.42073146658780787921852952739, 3.22013881846311690052507274075, 4.88279479120442117985688092904, 6.12058908911325826341898168948, 7.56692515506943755919618262673, 9.121085939868488568377273578417, 10.59619386209118130026424453878, 11.65172943096396841762973300617, 12.88681696965334178388850609696, 13.86867928058926597482648858993

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