# Properties

 Label 9408.2.a.dl Level 9408 Weight 2 Character orbit 9408.a Self dual yes Analytic conductor 75.123 Analytic rank 0 Dimension 2 CM no Inner twists 2

# Related objects

## Newspace parameters

 Level: $$N$$ $$=$$ $$9408 = 2^{6} \cdot 3 \cdot 7^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 9408.a (trivial)

## Newform invariants

 Self dual: yes Analytic conductor: $$75.1232582216$$ 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 4704) 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.

 $$f(q)$$ $$=$$ $$q - q^{3} + \beta q^{5} + q^{9} +O(q^{10})$$ $$q - q^{3} + \beta q^{5} + q^{9} + 2 \beta q^{11} + \beta q^{13} -\beta q^{15} + \beta q^{17} + 2 \beta q^{23} -3 q^{25} - q^{27} + 4 q^{31} -2 \beta q^{33} -4 q^{37} -\beta q^{39} -\beta q^{41} + 4 \beta q^{43} + \beta q^{45} + 12 q^{47} -\beta q^{51} -10 q^{53} + 4 q^{55} + \beta q^{61} + 2 q^{65} + 8 \beta q^{67} -2 \beta q^{69} -2 \beta q^{71} + 9 \beta q^{73} + 3 q^{75} + 8 \beta q^{79} + q^{81} -4 q^{83} + 2 q^{85} + 5 \beta q^{89} -4 q^{93} -7 \beta q^{97} + 2 \beta q^{99} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2q - 2q^{3} + 2q^{9} + O(q^{10})$$ $$2q - 2q^{3} + 2q^{9} - 6q^{25} - 2q^{27} + 8q^{31} - 8q^{37} + 24q^{47} - 20q^{53} + 8q^{55} + 4q^{65} + 6q^{75} + 2q^{81} - 8q^{83} + 4q^{85} - 8q^{93} + O(q^{100})$$

## 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 −1.00000 0 −1.41421 0 0 0 1.00000 0
1.2 0 −1.00000 0 1.41421 0 0 0 1.00000 0
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

## Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
28.d even 2 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 9408.2.a.dl 2
4.b odd 2 1 9408.2.a.ea 2
7.b odd 2 1 9408.2.a.ea 2
8.b even 2 1 4704.2.a.bq yes 2
8.d odd 2 1 4704.2.a.bj 2
28.d even 2 1 inner 9408.2.a.dl 2
56.e even 2 1 4704.2.a.bq yes 2
56.h odd 2 1 4704.2.a.bj 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4704.2.a.bj 2 8.d odd 2 1
4704.2.a.bj 2 56.h odd 2 1
4704.2.a.bq yes 2 8.b even 2 1
4704.2.a.bq yes 2 56.e even 2 1
9408.2.a.dl 2 1.a even 1 1 trivial
9408.2.a.dl 2 28.d even 2 1 inner
9408.2.a.ea 2 4.b odd 2 1
9408.2.a.ea 2 7.b odd 2 1

## Atkin-Lehner signs

$$p$$ Sign
$$2$$ $$-1$$
$$3$$ $$1$$
$$7$$ $$1$$

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(9408))$$:

 $$T_{5}^{2} - 2$$ $$T_{11}^{2} - 8$$ $$T_{13}^{2} - 2$$ $$T_{17}^{2} - 2$$ $$T_{19}$$ $$T_{31} - 4$$

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ 1
$3$ $$( 1 + T )^{2}$$
$5$ $$1 + 8 T^{2} + 25 T^{4}$$
$7$ 1
$11$ $$1 + 14 T^{2} + 121 T^{4}$$
$13$ $$1 + 24 T^{2} + 169 T^{4}$$
$17$ $$1 + 32 T^{2} + 289 T^{4}$$
$19$ $$( 1 + 19 T^{2} )^{2}$$
$23$ $$1 + 38 T^{2} + 529 T^{4}$$
$29$ $$( 1 + 29 T^{2} )^{2}$$
$31$ $$( 1 - 4 T + 31 T^{2} )^{2}$$
$37$ $$( 1 + 4 T + 37 T^{2} )^{2}$$
$41$ $$1 + 80 T^{2} + 1681 T^{4}$$
$43$ $$1 + 54 T^{2} + 1849 T^{4}$$
$47$ $$( 1 - 12 T + 47 T^{2} )^{2}$$
$53$ $$( 1 + 10 T + 53 T^{2} )^{2}$$
$59$ $$( 1 + 59 T^{2} )^{2}$$
$61$ $$1 + 120 T^{2} + 3721 T^{4}$$
$67$ $$1 + 6 T^{2} + 4489 T^{4}$$
$71$ $$1 + 134 T^{2} + 5041 T^{4}$$
$73$ $$1 - 16 T^{2} + 5329 T^{4}$$
$79$ $$1 + 30 T^{2} + 6241 T^{4}$$
$83$ $$( 1 + 4 T + 83 T^{2} )^{2}$$
$89$ $$1 + 128 T^{2} + 7921 T^{4}$$
$97$ $$1 + 96 T^{2} + 9409 T^{4}$$