Properties

Label 2-775-1.1-c1-0-25
Degree $2$
Conductor $775$
Sign $1$
Analytic cond. $6.18840$
Root an. cond. $2.48765$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.23·2-s − 0.740·3-s + 3.01·4-s − 1.65·6-s + 3.67·7-s + 2.27·8-s − 2.45·9-s + 5.02·11-s − 2.23·12-s − 2.67·13-s + 8.23·14-s − 0.936·16-s + 3.30·17-s − 5.48·18-s + 2.88·19-s − 2.72·21-s + 11.2·22-s + 6.01·23-s − 1.68·24-s − 5.98·26-s + 4.03·27-s + 11.0·28-s − 5.13·29-s − 31-s − 6.64·32-s − 3.72·33-s + 7.40·34-s + ⋯
L(s)  = 1  + 1.58·2-s − 0.427·3-s + 1.50·4-s − 0.677·6-s + 1.38·7-s + 0.804·8-s − 0.817·9-s + 1.51·11-s − 0.644·12-s − 0.741·13-s + 2.19·14-s − 0.234·16-s + 0.801·17-s − 1.29·18-s + 0.660·19-s − 0.594·21-s + 2.39·22-s + 1.25·23-s − 0.344·24-s − 1.17·26-s + 0.777·27-s + 2.09·28-s − 0.952·29-s − 0.179·31-s − 1.17·32-s − 0.648·33-s + 1.26·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 775 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 775 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(775\)    =    \(5^{2} \cdot 31\)
Sign: $1$
Analytic conductor: \(6.18840\)
Root analytic conductor: \(2.48765\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 775,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.563360447\)
\(L(\frac12)\) \(\approx\) \(3.563360447\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
31 \( 1 + T \)
good2 \( 1 - 2.23T + 2T^{2} \)
3 \( 1 + 0.740T + 3T^{2} \)
7 \( 1 - 3.67T + 7T^{2} \)
11 \( 1 - 5.02T + 11T^{2} \)
13 \( 1 + 2.67T + 13T^{2} \)
17 \( 1 - 3.30T + 17T^{2} \)
19 \( 1 - 2.88T + 19T^{2} \)
23 \( 1 - 6.01T + 23T^{2} \)
29 \( 1 + 5.13T + 29T^{2} \)
37 \( 1 + 7.90T + 37T^{2} \)
41 \( 1 + 9.55T + 41T^{2} \)
43 \( 1 - 5.24T + 43T^{2} \)
47 \( 1 + 1.06T + 47T^{2} \)
53 \( 1 + 0.521T + 53T^{2} \)
59 \( 1 + 8.09T + 59T^{2} \)
61 \( 1 - 0.598T + 61T^{2} \)
67 \( 1 - 12.4T + 67T^{2} \)
71 \( 1 + 8.80T + 71T^{2} \)
73 \( 1 - 9.87T + 73T^{2} \)
79 \( 1 + 2.40T + 79T^{2} \)
83 \( 1 + 2.91T + 83T^{2} \)
89 \( 1 + 7.65T + 89T^{2} \)
97 \( 1 + 14.5T + 97T^{2} \)
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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

−10.89968539088231830645258779760, −9.457714755356255354056827070814, −8.546180871874032442360219079801, −7.36161147581416378243227382199, −6.57324457494254064941566794634, −5.37522379329310421644097021373, −5.15739748186812638570123385470, −4.03695972713154222611959678039, −3.03668109775885583481354355607, −1.58125996870156847299024741641, 1.58125996870156847299024741641, 3.03668109775885583481354355607, 4.03695972713154222611959678039, 5.15739748186812638570123385470, 5.37522379329310421644097021373, 6.57324457494254064941566794634, 7.36161147581416378243227382199, 8.546180871874032442360219079801, 9.457714755356255354056827070814, 10.89968539088231830645258779760

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