Properties

Label 1-661-661.660-r0-0-0
Degree $1$
Conductor $661$
Sign $1$
Analytic cond. $3.06967$
Root an. cond. $3.06967$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

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

\[\begin{aligned}\Lambda(s)=\mathstrut & 661 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 661 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(661\)
Sign: $1$
Analytic conductor: \(3.06967\)
Root analytic conductor: \(3.06967\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{661} (660, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 661,\ (0:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.508256920\)
\(L(\frac12)\) \(\approx\) \(1.508256920\)
\(L(1)\) \(\approx\) \(1.119993251\)
\(L(1)\) \(\approx\) \(1.119993251\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad661 \( 1 \)
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 \( 1 + T \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−22.62388968944752790378195159599, −21.64163106719771347674648156909, −21.10435796179959937762040297158, −20.10555918497293237513767721945, −19.355629684403533687241675289104, −19.04282347174214970068403323662, −17.87846131849304140909684246993, −17.10033376875903115573378346989, −16.38876684561043376716702107862, −15.430537774437011560970788367224, −14.47872533418285009482351757966, −13.889650888797668313902386438035, −12.59969459025008894706061339224, −12.1107197462051398732158428718, −10.3136011444571491290598630759, −10.03760136877230371192855176121, −9.2266273525897068636295543419, −8.595271630125436502569595626840, −7.42281956466655232075327137243, −6.637686693420421010399258940287, −5.85129764673081206993223295351, −4.13794117650138357053891931904, −2.9120320855430778369792135490, −2.26993119468808849567455376034, −1.13821843128697013398837190645, 1.13821843128697013398837190645, 2.26993119468808849567455376034, 2.9120320855430778369792135490, 4.13794117650138357053891931904, 5.85129764673081206993223295351, 6.637686693420421010399258940287, 7.42281956466655232075327137243, 8.595271630125436502569595626840, 9.2266273525897068636295543419, 10.03760136877230371192855176121, 10.3136011444571491290598630759, 12.1107197462051398732158428718, 12.59969459025008894706061339224, 13.889650888797668313902386438035, 14.47872533418285009482351757966, 15.430537774437011560970788367224, 16.38876684561043376716702107862, 17.10033376875903115573378346989, 17.87846131849304140909684246993, 19.04282347174214970068403323662, 19.355629684403533687241675289104, 20.10555918497293237513767721945, 21.10435796179959937762040297158, 21.64163106719771347674648156909, 22.62388968944752790378195159599

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