Properties

Label 2-2-1.1-c21-0-0
Degree $2$
Conductor $2$
Sign $1$
Analytic cond. $5.58954$
Root an. cond. $2.36422$
Motivic weight $21$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.02e3·2-s + 5.93e4·3-s + 1.04e6·4-s + 4.97e6·5-s + 6.07e7·6-s + 1.42e9·7-s + 1.07e9·8-s − 6.94e9·9-s + 5.09e9·10-s − 1.06e11·11-s + 6.21e10·12-s − 1.50e11·13-s + 1.46e12·14-s + 2.95e11·15-s + 1.09e12·16-s − 1.12e13·17-s − 7.10e12·18-s + 1.10e13·19-s + 5.21e12·20-s + 8.46e13·21-s − 1.09e14·22-s + 1.29e14·23-s + 6.36e13·24-s − 4.52e14·25-s − 1.53e14·26-s − 1.03e15·27-s + 1.49e15·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.579·3-s + 1/2·4-s + 0.227·5-s + 0.410·6-s + 1.90·7-s + 0.353·8-s − 0.663·9-s + 0.161·10-s − 1.24·11-s + 0.289·12-s − 0.302·13-s + 1.35·14-s + 0.132·15-s + 1/4·16-s − 1.34·17-s − 0.469·18-s + 0.412·19-s + 0.113·20-s + 1.10·21-s − 0.877·22-s + 0.651·23-s + 0.205·24-s − 0.948·25-s − 0.213·26-s − 0.964·27-s + 0.954·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2\)
Sign: $1$
Analytic conductor: \(5.58954\)
Root analytic conductor: \(2.36422\)
Motivic weight: \(21\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2,\ (\ :21/2),\ 1)\)

Particular Values

\(L(11)\) \(\approx\) \(2.875329661\)
\(L(\frac12)\) \(\approx\) \(2.875329661\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{10} T \)
good3 \( 1 - 19772 p T + p^{21} T^{2} \)
5 \( 1 - 199014 p^{2} T + p^{21} T^{2} \)
7 \( 1 - 203917976 p T + p^{21} T^{2} \)
11 \( 1 + 9706172268 p T + p^{21} T^{2} \)
13 \( 1 + 11550043498 p T + p^{21} T^{2} \)
17 \( 1 + 659057690574 p T + p^{21} T^{2} \)
19 \( 1 - 580213471340 p T + p^{21} T^{2} \)
23 \( 1 - 129502845739896 T + p^{21} T^{2} \)
29 \( 1 - 2382370826608110 T + p^{21} T^{2} \)
31 \( 1 + 878552957377888 T + p^{21} T^{2} \)
37 \( 1 - 31130005856560022 T + p^{21} T^{2} \)
41 \( 1 + 24612925945718838 T + p^{21} T^{2} \)
43 \( 1 + 133386119963316484 T + p^{21} T^{2} \)
47 \( 1 + 192524017446421008 T + p^{21} T^{2} \)
53 \( 1 + 594166360130841114 T + p^{21} T^{2} \)
59 \( 1 + 2955954134483673780 T + p^{21} T^{2} \)
61 \( 1 - 7984150090052846222 T + p^{21} T^{2} \)
67 \( 1 - 4837041486709240052 T + p^{21} T^{2} \)
71 \( 1 - 8849017338933008232 T + p^{21} T^{2} \)
73 \( 1 - 36684416180434869866 T + p^{21} T^{2} \)
79 \( 1 - 33840609578636773520 T + p^{21} T^{2} \)
83 \( 1 - \)\(20\!\cdots\!16\)\( T + p^{21} T^{2} \)
89 \( 1 + 41024056743692272710 T + p^{21} T^{2} \)
97 \( 1 + \)\(72\!\cdots\!98\)\( T + p^{21} T^{2} \)
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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

−23.62721432844297798285765870585, −21.43852141351332617357633491395, −20.27201337467160843800393087736, −17.74187424053087893891495975635, −15.08645291602186251139206673474, −13.72081476671816014358882137052, −11.24389269369499625431009592280, −8.088728315753170050801845056385, −5.00231375653705135805336012229, −2.28757101322957217312376409581, 2.28757101322957217312376409581, 5.00231375653705135805336012229, 8.088728315753170050801845056385, 11.24389269369499625431009592280, 13.72081476671816014358882137052, 15.08645291602186251139206673474, 17.74187424053087893891495975635, 20.27201337467160843800393087736, 21.43852141351332617357633491395, 23.62721432844297798285765870585

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