# Properties

 Label 8400.2.a.cx Level 8400 Weight 2 Character orbit 8400.a Self dual yes Analytic conductor 67.074 Analytic rank 1 Dimension 2 CM no Inner twists 1

# Related objects

## Newspace parameters

 Level: $$N$$ = $$8400 = 2^{4} \cdot 3 \cdot 5^{2} \cdot 7$$ Weight: $$k$$ = $$2$$ Character orbit: $$[\chi]$$ = 8400.a (trivial)

## Newform invariants

 Self dual: yes Analytic conductor: $$67.0743376979$$ Analytic rank: $$1$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{5})$$ Coefficient ring: $$\Z[a_1, \ldots, a_{11}]$$ Coefficient ring index: $$2^{2}$$ Twist minimal: no (minimal twist has level 105) Fricke sign: $$1$$ Sato-Tate group: $\mathrm{SU}(2)$

## $q$-expansion

Coefficients of the $$q$$-expansion are expressed in terms of $$\beta = \frac{1}{2}(1 + \sqrt{5})$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q - q^{3} + q^{7} + q^{9} +O(q^{10})$$ $$q - q^{3} + q^{7} + q^{9} -4 \beta q^{11} + ( 2 - 4 \beta ) q^{13} + 2 q^{17} + ( -4 + 4 \beta ) q^{19} - q^{21} + 4 q^{23} - q^{27} -2 q^{29} + ( -8 + 4 \beta ) q^{31} + 4 \beta q^{33} + ( -6 + 8 \beta ) q^{37} + ( -2 + 4 \beta ) q^{39} -2 q^{41} + ( -4 + 8 \beta ) q^{43} + 8 \beta q^{47} + q^{49} -2 q^{51} + ( 10 - 4 \beta ) q^{53} + ( 4 - 4 \beta ) q^{57} + ( -4 + 8 \beta ) q^{59} -2 q^{61} + q^{63} -4 q^{67} -4 q^{69} + ( -12 + 4 \beta ) q^{71} + ( 6 + 4 \beta ) q^{73} -4 \beta q^{77} -8 \beta q^{79} + q^{81} + ( -4 - 8 \beta ) q^{83} + 2 q^{87} -2 q^{89} + ( 2 - 4 \beta ) q^{91} + ( 8 - 4 \beta ) q^{93} + ( -2 - 4 \beta ) q^{97} -4 \beta q^{99} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2q - 2q^{3} + 2q^{7} + 2q^{9} + O(q^{10})$$ $$2q - 2q^{3} + 2q^{7} + 2q^{9} - 4q^{11} + 4q^{17} - 4q^{19} - 2q^{21} + 8q^{23} - 2q^{27} - 4q^{29} - 12q^{31} + 4q^{33} - 4q^{37} - 4q^{41} + 8q^{47} + 2q^{49} - 4q^{51} + 16q^{53} + 4q^{57} - 4q^{61} + 2q^{63} - 8q^{67} - 8q^{69} - 20q^{71} + 16q^{73} - 4q^{77} - 8q^{79} + 2q^{81} - 16q^{83} + 4q^{87} - 4q^{89} + 12q^{93} - 8q^{97} - 4q^{99} + O(q^{100})$$

## 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
 1.61803 −0.618034
0 −1.00000 0 0 0 1.00000 0 1.00000 0
1.2 0 −1.00000 0 0 0 1.00000 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

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 8400.2.a.cx 2
4.b odd 2 1 525.2.a.g 2
5.b even 2 1 1680.2.a.v 2
12.b even 2 1 1575.2.a.r 2
15.d odd 2 1 5040.2.a.bw 2
20.d odd 2 1 105.2.a.b 2
20.e even 4 2 525.2.d.c 4
28.d even 2 1 3675.2.a.y 2
40.e odd 2 1 6720.2.a.cx 2
40.f even 2 1 6720.2.a.cs 2
60.h even 2 1 315.2.a.d 2
60.l odd 4 2 1575.2.d.d 4
140.c even 2 1 735.2.a.k 2
140.p odd 6 2 735.2.i.k 4
140.s even 6 2 735.2.i.i 4
420.o odd 2 1 2205.2.a.w 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
105.2.a.b 2 20.d odd 2 1
315.2.a.d 2 60.h even 2 1
525.2.a.g 2 4.b odd 2 1
525.2.d.c 4 20.e even 4 2
735.2.a.k 2 140.c even 2 1
735.2.i.i 4 140.s even 6 2
735.2.i.k 4 140.p odd 6 2
1575.2.a.r 2 12.b even 2 1
1575.2.d.d 4 60.l odd 4 2
1680.2.a.v 2 5.b even 2 1
2205.2.a.w 2 420.o odd 2 1
3675.2.a.y 2 28.d even 2 1
5040.2.a.bw 2 15.d odd 2 1
6720.2.a.cs 2 40.f even 2 1
6720.2.a.cx 2 40.e odd 2 1
8400.2.a.cx 2 1.a even 1 1 trivial

## Atkin-Lehner signs

$$p$$ Sign
$$2$$ $$-1$$
$$3$$ $$1$$
$$5$$ $$1$$
$$7$$ $$-1$$

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(8400))$$:

 $$T_{11}^{2} + 4 T_{11} - 16$$ $$T_{13}^{2} - 20$$ $$T_{17} - 2$$ $$T_{19}^{2} + 4 T_{19} - 16$$ $$T_{23} - 4$$

## Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ 1
$3$ $$( 1 + T )^{2}$$
$5$ 1
$7$ $$( 1 - T )^{2}$$
$11$ $$1 + 4 T + 6 T^{2} + 44 T^{3} + 121 T^{4}$$
$13$ $$1 + 6 T^{2} + 169 T^{4}$$
$17$ $$( 1 - 2 T + 17 T^{2} )^{2}$$
$19$ $$1 + 4 T + 22 T^{2} + 76 T^{3} + 361 T^{4}$$
$23$ $$( 1 - 4 T + 23 T^{2} )^{2}$$
$29$ $$( 1 + 2 T + 29 T^{2} )^{2}$$
$31$ $$1 + 12 T + 78 T^{2} + 372 T^{3} + 961 T^{4}$$
$37$ $$1 + 4 T - 2 T^{2} + 148 T^{3} + 1369 T^{4}$$
$41$ $$( 1 + 2 T + 41 T^{2} )^{2}$$
$43$ $$1 + 6 T^{2} + 1849 T^{4}$$
$47$ $$1 - 8 T + 30 T^{2} - 376 T^{3} + 2209 T^{4}$$
$53$ $$1 - 16 T + 150 T^{2} - 848 T^{3} + 2809 T^{4}$$
$59$ $$1 + 38 T^{2} + 3481 T^{4}$$
$61$ $$( 1 + 2 T + 61 T^{2} )^{2}$$
$67$ $$( 1 + 4 T + 67 T^{2} )^{2}$$
$71$ $$1 + 20 T + 222 T^{2} + 1420 T^{3} + 5041 T^{4}$$
$73$ $$1 - 16 T + 190 T^{2} - 1168 T^{3} + 5329 T^{4}$$
$79$ $$1 + 8 T + 94 T^{2} + 632 T^{3} + 6241 T^{4}$$
$83$ $$1 + 16 T + 150 T^{2} + 1328 T^{3} + 6889 T^{4}$$
$89$ $$( 1 + 2 T + 89 T^{2} )^{2}$$
$97$ $$1 + 8 T + 190 T^{2} + 776 T^{3} + 9409 T^{4}$$