Properties

Label 4-1568-1.1-c1e2-0-0
Degree $4$
Conductor $1568$
Sign $1$
Analytic cond. $0.0999770$
Root an. cond. $0.562309$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 2·3-s + 4-s + 2·5-s + 2·6-s + 2·7-s − 8-s − 2·9-s − 2·10-s + 4·11-s − 2·12-s − 2·13-s − 2·14-s − 4·15-s + 16-s + 2·18-s − 6·19-s + 2·20-s − 4·21-s − 4·22-s + 2·24-s − 6·25-s + 2·26-s + 10·27-s + 2·28-s + 4·30-s − 12·31-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.15·3-s + 1/2·4-s + 0.894·5-s + 0.816·6-s + 0.755·7-s − 0.353·8-s − 2/3·9-s − 0.632·10-s + 1.20·11-s − 0.577·12-s − 0.554·13-s − 0.534·14-s − 1.03·15-s + 1/4·16-s + 0.471·18-s − 1.37·19-s + 0.447·20-s − 0.872·21-s − 0.852·22-s + 0.408·24-s − 6/5·25-s + 0.392·26-s + 1.92·27-s + 0.377·28-s + 0.730·30-s − 2.15·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(1568\)    =    \(2^{5} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(0.0999770\)
Root analytic conductor: \(0.562309\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 1568,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3791316750\)
\(L(\frac12)\) \(\approx\) \(0.3791316750\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$\Gal(F_p)$$F_p(T)$
bad2$C_1$ \( 1 + T \)
7$C_1$ \( ( 1 - T )^{2} \)
good3$C_2$$\times$$C_2$ \( ( 1 + p T^{2} )( 1 + 2 T + p T^{2} ) \)
5$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + p T^{2} ) \)
11$C_2$$\times$$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + p T^{2} ) \)
13$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
17$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
19$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
23$C_2$ \( ( 1 + p T^{2} )^{2} \)
29$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
31$C_2$$\times$$C_2$ \( ( 1 + 4 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
37$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
41$C_2$$\times$$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 - 2 T + p T^{2} ) \)
43$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 - 4 T + p T^{2} ) \)
47$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
53$C_2$ \( ( 1 - 6 T + p T^{2} )^{2} \)
59$C_2$$\times$$C_2$ \( ( 1 + p T^{2} )( 1 + 6 T + p T^{2} ) \)
61$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
67$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
71$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + p T^{2} ) \)
73$C_2$$\times$$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 - 2 T + p T^{2} ) \)
79$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 16 T + p T^{2} ) \)
83$C_2$$\times$$C_2$ \( ( 1 + 6 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
89$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
97$C_2$$\times$$C_2$ \( ( 1 + 6 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{4} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−19.5014287171, −18.2120541317, −18.1790379174, −17.3319169048, −17.2128532162, −16.9216980065, −16.3370810014, −15.4659592002, −14.6077730657, −14.4247744515, −13.7979042634, −12.6775996869, −12.3052609901, −11.4050949010, −11.2313614144, −10.6358774624, −9.76554711946, −9.11789403464, −8.56060780623, −7.57571100089, −6.67949194679, −5.82613210142, −5.57928681743, −4.18465932716, −2.14556791802, 2.14556791802, 4.18465932716, 5.57928681743, 5.82613210142, 6.67949194679, 7.57571100089, 8.56060780623, 9.11789403464, 9.76554711946, 10.6358774624, 11.2313614144, 11.4050949010, 12.3052609901, 12.6775996869, 13.7979042634, 14.4247744515, 14.6077730657, 15.4659592002, 16.3370810014, 16.9216980065, 17.2128532162, 17.3319169048, 18.1790379174, 18.2120541317, 19.5014287171

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