Properties

Label 1-241-241.240-r0-0-0
Degree $1$
Conductor $241$
Sign $1$
Analytic cond. $1.11919$
Root an. cond. $1.11919$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 4-s + 5-s + 6-s − 7-s + 8-s + 9-s + 10-s − 11-s + 12-s − 13-s − 14-s + 15-s + 16-s − 17-s + 18-s − 19-s + 20-s − 21-s − 22-s − 23-s + 24-s + 25-s − 26-s + 27-s − 28-s + ⋯
L(s)  = 1  + 2-s + 3-s + 4-s + 5-s + 6-s − 7-s + 8-s + 9-s + 10-s − 11-s + 12-s − 13-s − 14-s + 15-s + 16-s − 17-s + 18-s − 19-s + 20-s − 21-s − 22-s − 23-s + 24-s + 25-s − 26-s + 27-s − 28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 241 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 241 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(241\)
Sign: $1$
Analytic conductor: \(1.11919\)
Root analytic conductor: \(1.11919\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{241} (240, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 241,\ (0:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.994228569\)
\(L(\frac12)\) \(\approx\) \(2.994228569\)
\(L(1)\) \(\approx\) \(2.418356383\)
\(L(1)\) \(\approx\) \(2.418356383\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad241 \( 1 \)
good2 \( 1 + T \)
3 \( 1 + T \)
5 \( 1 + T \)
7 \( 1 - T \)
11 \( 1 - T \)
13 \( 1 - T \)
17 \( 1 - T \)
19 \( 1 - T \)
23 \( 1 - T \)
29 \( 1 + T \)
31 \( 1 - T \)
37 \( 1 - T \)
41 \( 1 + T \)
43 \( 1 - T \)
47 \( 1 + T \)
53 \( 1 + T \)
59 \( 1 + T \)
61 \( 1 + T \)
67 \( 1 + T \)
71 \( 1 - T \)
73 \( 1 - T \)
79 \( 1 + T \)
83 \( 1 + T \)
89 \( 1 - T \)
97 \( 1 + T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−25.93121454419649980103844702736, −25.23900430848409851967305659538, −24.42899106750032366622365338122, −23.50110978599159903262219635098, −22.13282820939056471581938677809, −21.71252731853658343291136826030, −20.72700007134721001835799882905, −19.88920918101885487443357727432, −19.08360904964428907077185957082, −17.76798020889784544889523850423, −16.43025381376974623048070267500, −15.57779428796228212733650887350, −14.65946993766672624221702312235, −13.71736654279585401890530401052, −13.0572175594521221711838840912, −12.40214113461530416350254868081, −10.51590390070136329189925809876, −9.94055635253347562682703007213, −8.66790647783558799770730599727, −7.262977147055241876330133233251, −6.41234834075900739529236845046, −5.18484569079420316679890278742, −3.97563729598783409005895800033, −2.62592022991136846702814436964, −2.173832101516893019603398317233, 2.173832101516893019603398317233, 2.62592022991136846702814436964, 3.97563729598783409005895800033, 5.18484569079420316679890278742, 6.41234834075900739529236845046, 7.262977147055241876330133233251, 8.66790647783558799770730599727, 9.94055635253347562682703007213, 10.51590390070136329189925809876, 12.40214113461530416350254868081, 13.0572175594521221711838840912, 13.71736654279585401890530401052, 14.65946993766672624221702312235, 15.57779428796228212733650887350, 16.43025381376974623048070267500, 17.76798020889784544889523850423, 19.08360904964428907077185957082, 19.88920918101885487443357727432, 20.72700007134721001835799882905, 21.71252731853658343291136826030, 22.13282820939056471581938677809, 23.50110978599159903262219635098, 24.42899106750032366622365338122, 25.23900430848409851967305659538, 25.93121454419649980103844702736

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