Properties

Label 2-2156-1.1-c1-0-22
Degree $2$
Conductor $2156$
Sign $-1$
Analytic cond. $17.2157$
Root an. cond. $4.14918$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.18·3-s + 3.42·5-s + 7.12·9-s − 11-s − 3.66·13-s − 10.8·15-s + 1.76·17-s − 3.76·19-s − 1.23·23-s + 6.70·25-s − 13.1·27-s − 2.89·29-s − 9.46·31-s + 3.18·33-s + 2.84·37-s + 11.6·39-s − 8.70·41-s + 12.0·43-s + 24.3·45-s − 4.23·47-s − 5.60·51-s − 0.225·53-s − 3.42·55-s + 11.9·57-s + 6.54·59-s + 10.2·61-s − 12.5·65-s + ⋯
L(s)  = 1  − 1.83·3-s + 1.52·5-s + 2.37·9-s − 0.301·11-s − 1.01·13-s − 2.81·15-s + 0.427·17-s − 0.862·19-s − 0.258·23-s + 1.34·25-s − 2.52·27-s − 0.538·29-s − 1.69·31-s + 0.553·33-s + 0.467·37-s + 1.86·39-s − 1.35·41-s + 1.84·43-s + 3.63·45-s − 0.618·47-s − 0.784·51-s − 0.0309·53-s − 0.461·55-s + 1.58·57-s + 0.852·59-s + 1.31·61-s − 1.55·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2156 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2156 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2156\)    =    \(2^{2} \cdot 7^{2} \cdot 11\)
Sign: $-1$
Analytic conductor: \(17.2157\)
Root analytic conductor: \(4.14918\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2156,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 \)
11 \( 1 + T \)
good3 \( 1 + 3.18T + 3T^{2} \)
5 \( 1 - 3.42T + 5T^{2} \)
13 \( 1 + 3.66T + 13T^{2} \)
17 \( 1 - 1.76T + 17T^{2} \)
19 \( 1 + 3.76T + 19T^{2} \)
23 \( 1 + 1.23T + 23T^{2} \)
29 \( 1 + 2.89T + 29T^{2} \)
31 \( 1 + 9.46T + 31T^{2} \)
37 \( 1 - 2.84T + 37T^{2} \)
41 \( 1 + 8.70T + 41T^{2} \)
43 \( 1 - 12.0T + 43T^{2} \)
47 \( 1 + 4.23T + 47T^{2} \)
53 \( 1 + 0.225T + 53T^{2} \)
59 \( 1 - 6.54T + 59T^{2} \)
61 \( 1 - 10.2T + 61T^{2} \)
67 \( 1 + 3.40T + 67T^{2} \)
71 \( 1 + 4.23T + 71T^{2} \)
73 \( 1 + 10.1T + 73T^{2} \)
79 \( 1 + 7.35T + 79T^{2} \)
83 \( 1 - 10.4T + 83T^{2} \)
89 \( 1 + 7.26T + 89T^{2} \)
97 \( 1 + 11.7T + 97T^{2} \)
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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

−8.970844138618085141130067584004, −7.58252170731031939679881216304, −6.87298511591025444037528648770, −6.13392634668717030402835857289, −5.50222773928328499936042188261, −5.11013443903914427575740094896, −4.07098934202113921363975679377, −2.38272790730089366221582184887, −1.47279979604657667075187088065, 0, 1.47279979604657667075187088065, 2.38272790730089366221582184887, 4.07098934202113921363975679377, 5.11013443903914427575740094896, 5.50222773928328499936042188261, 6.13392634668717030402835857289, 6.87298511591025444037528648770, 7.58252170731031939679881216304, 8.970844138618085141130067584004

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