Properties

Label 2-241-1.1-c1-0-10
Degree $2$
Conductor $241$
Sign $1$
Analytic cond. $1.92439$
Root an. cond. $1.38722$
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  + 2.70·2-s − 2.50·3-s + 5.29·4-s + 0.533·5-s − 6.77·6-s + 0.354·7-s + 8.89·8-s + 3.29·9-s + 1.44·10-s + 4.18·11-s − 13.2·12-s − 3.72·13-s + 0.958·14-s − 1.33·15-s + 13.4·16-s − 6.46·17-s + 8.88·18-s − 1.31·19-s + 2.82·20-s − 0.890·21-s + 11.3·22-s − 4.10·23-s − 22.3·24-s − 4.71·25-s − 10.0·26-s − 0.728·27-s + 1.87·28-s + ⋯
L(s)  = 1  + 1.90·2-s − 1.44·3-s + 2.64·4-s + 0.238·5-s − 2.76·6-s + 0.134·7-s + 3.14·8-s + 1.09·9-s + 0.455·10-s + 1.26·11-s − 3.83·12-s − 1.03·13-s + 0.256·14-s − 0.345·15-s + 3.35·16-s − 1.56·17-s + 2.09·18-s − 0.300·19-s + 0.631·20-s − 0.194·21-s + 2.41·22-s − 0.856·23-s − 4.55·24-s − 0.943·25-s − 1.97·26-s − 0.140·27-s + 0.355·28-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(241\)
Sign: $1$
Analytic conductor: \(1.92439\)
Root analytic conductor: \(1.38722\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 241,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.501908596\)
\(L(\frac12)\) \(\approx\) \(2.501908596\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad241 \( 1 - T \)
good2 \( 1 - 2.70T + 2T^{2} \)
3 \( 1 + 2.50T + 3T^{2} \)
5 \( 1 - 0.533T + 5T^{2} \)
7 \( 1 - 0.354T + 7T^{2} \)
11 \( 1 - 4.18T + 11T^{2} \)
13 \( 1 + 3.72T + 13T^{2} \)
17 \( 1 + 6.46T + 17T^{2} \)
19 \( 1 + 1.31T + 19T^{2} \)
23 \( 1 + 4.10T + 23T^{2} \)
29 \( 1 + 8.85T + 29T^{2} \)
31 \( 1 - 5.11T + 31T^{2} \)
37 \( 1 - 5.41T + 37T^{2} \)
41 \( 1 - 11.8T + 41T^{2} \)
43 \( 1 - 0.673T + 43T^{2} \)
47 \( 1 - 5.22T + 47T^{2} \)
53 \( 1 + 9.92T + 53T^{2} \)
59 \( 1 + 1.23T + 59T^{2} \)
61 \( 1 - 4.04T + 61T^{2} \)
67 \( 1 + 14.0T + 67T^{2} \)
71 \( 1 - 13.0T + 71T^{2} \)
73 \( 1 - 7.76T + 73T^{2} \)
79 \( 1 + 1.17T + 79T^{2} \)
83 \( 1 - 6.25T + 83T^{2} \)
89 \( 1 - 3.80T + 89T^{2} \)
97 \( 1 + 9.91T + 97T^{2} \)
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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

−12.19218581549686301341673671304, −11.41244554203507788752074829581, −10.98744154474747761661737303336, −9.629330397344675315824190414139, −7.45832247345196531925396565274, −6.38500235591686135993432646918, −5.97492081923480481647941477588, −4.76770483848132832529271571907, −4.08864130435105247531414129255, −2.12048939619168316958162889512, 2.12048939619168316958162889512, 4.08864130435105247531414129255, 4.76770483848132832529271571907, 5.97492081923480481647941477588, 6.38500235591686135993432646918, 7.45832247345196531925396565274, 9.629330397344675315824190414139, 10.98744154474747761661737303336, 11.41244554203507788752074829581, 12.19218581549686301341673671304

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