Properties

Label 441.2.a.j
Level $441$
Weight $2$
Character orbit 441.a
Self dual yes
Analytic conductor $3.521$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Newspace parameters

Level: \( N \) \(=\) \( 441 = 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 441.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(3.52140272914\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{2}) \)
Defining polynomial: \(x^{2} - 2\)
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 147)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \sqrt{2}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( 1 + \beta ) q^{2} + ( 1 + 2 \beta ) q^{4} + ( 2 - \beta ) q^{5} + ( 3 + \beta ) q^{8} +O(q^{10})\) \( q + ( 1 + \beta ) q^{2} + ( 1 + 2 \beta ) q^{4} + ( 2 - \beta ) q^{5} + ( 3 + \beta ) q^{8} + \beta q^{10} + 2 q^{11} + ( -4 - \beta ) q^{13} + 3 q^{16} + ( 2 + 3 \beta ) q^{17} -2 \beta q^{19} + ( -2 + 3 \beta ) q^{20} + ( 2 + 2 \beta ) q^{22} + ( 2 - 4 \beta ) q^{23} + ( 1 - 4 \beta ) q^{25} + ( -6 - 5 \beta ) q^{26} + ( 4 - 2 \beta ) q^{29} + ( 4 + 2 \beta ) q^{31} + ( -3 + \beta ) q^{32} + ( 8 + 5 \beta ) q^{34} -4 q^{37} + ( -4 - 2 \beta ) q^{38} + ( 4 - \beta ) q^{40} + ( 2 - 3 \beta ) q^{41} -4 \beta q^{43} + ( 2 + 4 \beta ) q^{44} + ( -6 - 2 \beta ) q^{46} + 2 \beta q^{47} + ( -7 - 3 \beta ) q^{50} + ( -8 - 9 \beta ) q^{52} + 2 q^{53} + ( 4 - 2 \beta ) q^{55} + 2 \beta q^{58} + ( -4 - 2 \beta ) q^{59} + ( -8 + 3 \beta ) q^{61} + ( 8 + 6 \beta ) q^{62} + ( -7 - 2 \beta ) q^{64} + ( -6 + 2 \beta ) q^{65} + 4 \beta q^{67} + ( 14 + 7 \beta ) q^{68} + ( 2 + 8 \beta ) q^{71} + ( -4 + 7 \beta ) q^{73} + ( -4 - 4 \beta ) q^{74} + ( -8 - 2 \beta ) q^{76} + ( 8 - 4 \beta ) q^{79} + ( 6 - 3 \beta ) q^{80} + ( -4 - \beta ) q^{82} + ( -4 - 8 \beta ) q^{83} + ( -2 + 4 \beta ) q^{85} + ( -8 - 4 \beta ) q^{86} + ( 6 + 2 \beta ) q^{88} + ( -10 + 3 \beta ) q^{89} -14 q^{92} + ( 4 + 2 \beta ) q^{94} + ( 4 - 4 \beta ) q^{95} + ( -4 - \beta ) q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q + 2q^{2} + 2q^{4} + 4q^{5} + 6q^{8} + O(q^{10}) \) \( 2q + 2q^{2} + 2q^{4} + 4q^{5} + 6q^{8} + 4q^{11} - 8q^{13} + 6q^{16} + 4q^{17} - 4q^{20} + 4q^{22} + 4q^{23} + 2q^{25} - 12q^{26} + 8q^{29} + 8q^{31} - 6q^{32} + 16q^{34} - 8q^{37} - 8q^{38} + 8q^{40} + 4q^{41} + 4q^{44} - 12q^{46} - 14q^{50} - 16q^{52} + 4q^{53} + 8q^{55} - 8q^{59} - 16q^{61} + 16q^{62} - 14q^{64} - 12q^{65} + 28q^{68} + 4q^{71} - 8q^{73} - 8q^{74} - 16q^{76} + 16q^{79} + 12q^{80} - 8q^{82} - 8q^{83} - 4q^{85} - 16q^{86} + 12q^{88} - 20q^{89} - 28q^{92} + 8q^{94} + 8q^{95} - 8q^{97} + O(q^{100}) \)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−1.41421
1.41421
−0.414214 0 −1.82843 3.41421 0 0 1.58579 0 −1.41421
1.2 2.41421 0 3.82843 0.585786 0 0 4.41421 0 1.41421
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)
\(7\) \(1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 441.2.a.j 2
3.b odd 2 1 147.2.a.d 2
4.b odd 2 1 7056.2.a.cv 2
7.b odd 2 1 441.2.a.i 2
7.c even 3 2 441.2.e.f 4
7.d odd 6 2 441.2.e.g 4
12.b even 2 1 2352.2.a.be 2
15.d odd 2 1 3675.2.a.bf 2
21.c even 2 1 147.2.a.e yes 2
21.g even 6 2 147.2.e.d 4
21.h odd 6 2 147.2.e.e 4
24.f even 2 1 9408.2.a.dq 2
24.h odd 2 1 9408.2.a.ef 2
28.d even 2 1 7056.2.a.cf 2
84.h odd 2 1 2352.2.a.bc 2
84.j odd 6 2 2352.2.q.bd 4
84.n even 6 2 2352.2.q.bb 4
105.g even 2 1 3675.2.a.bd 2
168.e odd 2 1 9408.2.a.dt 2
168.i even 2 1 9408.2.a.di 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
147.2.a.d 2 3.b odd 2 1
147.2.a.e yes 2 21.c even 2 1
147.2.e.d 4 21.g even 6 2
147.2.e.e 4 21.h odd 6 2
441.2.a.i 2 7.b odd 2 1
441.2.a.j 2 1.a even 1 1 trivial
441.2.e.f 4 7.c even 3 2
441.2.e.g 4 7.d odd 6 2
2352.2.a.bc 2 84.h odd 2 1
2352.2.a.be 2 12.b even 2 1
2352.2.q.bb 4 84.n even 6 2
2352.2.q.bd 4 84.j odd 6 2
3675.2.a.bd 2 105.g even 2 1
3675.2.a.bf 2 15.d odd 2 1
7056.2.a.cf 2 28.d even 2 1
7056.2.a.cv 2 4.b odd 2 1
9408.2.a.di 2 168.i even 2 1
9408.2.a.dq 2 24.f even 2 1
9408.2.a.dt 2 168.e odd 2 1
9408.2.a.ef 2 24.h odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(441))\):

\( T_{2}^{2} - 2 T_{2} - 1 \)
\( T_{5}^{2} - 4 T_{5} + 2 \)
\( T_{13}^{2} + 8 T_{13} + 14 \)