Properties

Label 9702.2.a.cx
Level $9702$
Weight $2$
Character orbit 9702.a
Self dual yes
Analytic conductor $77.471$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Newspace parameters

Level: \( N \) \(=\) \( 9702 = 2 \cdot 3^{2} \cdot 7^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9702.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(77.4708600410\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{2}) \)
Defining polynomial: \(x^{2} - 2\)
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 154)
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.

\(f(q)\) \(=\) \( q - q^{2} + q^{4} + ( 2 + \beta ) q^{5} - q^{8} +O(q^{10})\) \( q - q^{2} + q^{4} + ( 2 + \beta ) q^{5} - q^{8} + ( -2 - \beta ) q^{10} - q^{11} + ( -1 + 2 \beta ) q^{13} + q^{16} + ( 2 + 4 \beta ) q^{17} + ( -2 - \beta ) q^{19} + ( 2 + \beta ) q^{20} + q^{22} + ( 2 - 3 \beta ) q^{23} + ( 1 + 4 \beta ) q^{25} + ( 1 - 2 \beta ) q^{26} + ( 3 + 4 \beta ) q^{29} -4 q^{31} - q^{32} + ( -2 - 4 \beta ) q^{34} + ( -8 + \beta ) q^{37} + ( 2 + \beta ) q^{38} + ( -2 - \beta ) q^{40} + ( 4 - \beta ) q^{41} + 4 \beta q^{43} - q^{44} + ( -2 + 3 \beta ) q^{46} + ( 2 - 6 \beta ) q^{47} + ( -1 - 4 \beta ) q^{50} + ( -1 + 2 \beta ) q^{52} + ( 2 + 7 \beta ) q^{53} + ( -2 - \beta ) q^{55} + ( -3 - 4 \beta ) q^{58} + ( 7 + \beta ) q^{59} + ( 9 - 2 \beta ) q^{61} + 4 q^{62} + q^{64} + ( 2 + 3 \beta ) q^{65} + ( 7 + 3 \beta ) q^{67} + ( 2 + 4 \beta ) q^{68} + ( 4 - 5 \beta ) q^{71} + ( -8 + \beta ) q^{73} + ( 8 - \beta ) q^{74} + ( -2 - \beta ) q^{76} + ( -9 + 3 \beta ) q^{79} + ( 2 + \beta ) q^{80} + ( -4 + \beta ) q^{82} + ( -2 - 10 \beta ) q^{83} + ( 12 + 10 \beta ) q^{85} -4 \beta q^{86} + q^{88} + ( -4 + 6 \beta ) q^{89} + ( 2 - 3 \beta ) q^{92} + ( -2 + 6 \beta ) q^{94} + ( -6 - 4 \beta ) q^{95} + ( -1 + 2 \beta ) q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} + 2 q^{4} + 4 q^{5} - 2 q^{8} + O(q^{10}) \) \( 2 q - 2 q^{2} + 2 q^{4} + 4 q^{5} - 2 q^{8} - 4 q^{10} - 2 q^{11} - 2 q^{13} + 2 q^{16} + 4 q^{17} - 4 q^{19} + 4 q^{20} + 2 q^{22} + 4 q^{23} + 2 q^{25} + 2 q^{26} + 6 q^{29} - 8 q^{31} - 2 q^{32} - 4 q^{34} - 16 q^{37} + 4 q^{38} - 4 q^{40} + 8 q^{41} - 2 q^{44} - 4 q^{46} + 4 q^{47} - 2 q^{50} - 2 q^{52} + 4 q^{53} - 4 q^{55} - 6 q^{58} + 14 q^{59} + 18 q^{61} + 8 q^{62} + 2 q^{64} + 4 q^{65} + 14 q^{67} + 4 q^{68} + 8 q^{71} - 16 q^{73} + 16 q^{74} - 4 q^{76} - 18 q^{79} + 4 q^{80} - 8 q^{82} - 4 q^{83} + 24 q^{85} + 2 q^{88} - 8 q^{89} + 4 q^{92} - 4 q^{94} - 12 q^{95} - 2 q^{97} + O(q^{100}) \)

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
−1.00000 0 1.00000 0.585786 0 0 −1.00000 0 −0.585786
1.2 −1.00000 0 1.00000 3.41421 0 0 −1.00000 0 −3.41421
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(1\)
\(3\) \(-1\)
\(7\) \(1\)
\(11\) \(1\)

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 9702.2.a.cx 2
3.b odd 2 1 1078.2.a.t 2
7.b odd 2 1 9702.2.a.ch 2
7.c even 3 2 1386.2.k.t 4
12.b even 2 1 8624.2.a.cc 2
21.c even 2 1 1078.2.a.x 2
21.g even 6 2 1078.2.e.m 4
21.h odd 6 2 154.2.e.e 4
84.h odd 2 1 8624.2.a.bh 2
84.n even 6 2 1232.2.q.f 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
154.2.e.e 4 21.h odd 6 2
1078.2.a.t 2 3.b odd 2 1
1078.2.a.x 2 21.c even 2 1
1078.2.e.m 4 21.g even 6 2
1232.2.q.f 4 84.n even 6 2
1386.2.k.t 4 7.c even 3 2
8624.2.a.bh 2 84.h odd 2 1
8624.2.a.cc 2 12.b even 2 1
9702.2.a.ch 2 7.b odd 2 1
9702.2.a.cx 2 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(9702))\):

\( T_{5}^{2} - 4 T_{5} + 2 \)
\( T_{13}^{2} + 2 T_{13} - 7 \)
\( T_{17}^{2} - 4 T_{17} - 28 \)
\( T_{19}^{2} + 4 T_{19} + 2 \)
\( T_{23}^{2} - 4 T_{23} - 14 \)
\( T_{29}^{2} - 6 T_{29} - 23 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( ( 1 + T )^{2} \)
$3$ \( T^{2} \)
$5$ \( 2 - 4 T + T^{2} \)
$7$ \( T^{2} \)
$11$ \( ( 1 + T )^{2} \)
$13$ \( -7 + 2 T + T^{2} \)
$17$ \( -28 - 4 T + T^{2} \)
$19$ \( 2 + 4 T + T^{2} \)
$23$ \( -14 - 4 T + T^{2} \)
$29$ \( -23 - 6 T + T^{2} \)
$31$ \( ( 4 + T )^{2} \)
$37$ \( 62 + 16 T + T^{2} \)
$41$ \( 14 - 8 T + T^{2} \)
$43$ \( -32 + T^{2} \)
$47$ \( -68 - 4 T + T^{2} \)
$53$ \( -94 - 4 T + T^{2} \)
$59$ \( 47 - 14 T + T^{2} \)
$61$ \( 73 - 18 T + T^{2} \)
$67$ \( 31 - 14 T + T^{2} \)
$71$ \( -34 - 8 T + T^{2} \)
$73$ \( 62 + 16 T + T^{2} \)
$79$ \( 63 + 18 T + T^{2} \)
$83$ \( -196 + 4 T + T^{2} \)
$89$ \( -56 + 8 T + T^{2} \)
$97$ \( -7 + 2 T + T^{2} \)
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