Properties

Label 20.2.a.a
Level $20$
Weight $2$
Character orbit 20.a
Self dual yes
Analytic conductor $0.160$
Analytic rank $0$
Dimension $1$
CM no
Inner twists $1$

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Newspace parameters

Level: \( N \) \(=\) \( 20 = 2^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 20.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(0.159700804043\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

\(f(q)\) \(=\) \( q - 2 q^{3} - q^{5} + 2 q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 2 q^{3} - q^{5} + 2 q^{7} + q^{9} + 2 q^{13} + 2 q^{15} - 6 q^{17} - 4 q^{19} - 4 q^{21} + 6 q^{23} + q^{25} + 4 q^{27} + 6 q^{29} - 4 q^{31} - 2 q^{35} + 2 q^{37} - 4 q^{39} + 6 q^{41} - 10 q^{43} - q^{45} - 6 q^{47} - 3 q^{49} + 12 q^{51} - 6 q^{53} + 8 q^{57} + 12 q^{59} + 2 q^{61} + 2 q^{63} - 2 q^{65} + 2 q^{67} - 12 q^{69} - 12 q^{71} + 2 q^{73} - 2 q^{75} + 8 q^{79} - 11 q^{81} + 6 q^{83} + 6 q^{85} - 12 q^{87} - 6 q^{89} + 4 q^{91} + 8 q^{93} + 4 q^{95} + 2 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Expression as an eta quotient

\(f(z) = \eta(2z)^{2}\eta(10z)^{2}=q\prod_{n=1}^\infty(1 - q^{2n})^{2}(1 - q^{10n})^{2}\)

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
0
0 −2.00000 0 −1.00000 0 2.00000 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(1\)

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 20.2.a.a 1
3.b odd 2 1 180.2.a.a 1
4.b odd 2 1 80.2.a.b 1
5.b even 2 1 100.2.a.a 1
5.c odd 4 2 100.2.c.a 2
7.b odd 2 1 980.2.a.h 1
7.c even 3 2 980.2.i.i 2
7.d odd 6 2 980.2.i.c 2
8.b even 2 1 320.2.a.f 1
8.d odd 2 1 320.2.a.a 1
9.c even 3 2 1620.2.i.h 2
9.d odd 6 2 1620.2.i.b 2
11.b odd 2 1 2420.2.a.a 1
12.b even 2 1 720.2.a.h 1
13.b even 2 1 3380.2.a.c 1
13.d odd 4 2 3380.2.f.b 2
15.d odd 2 1 900.2.a.b 1
15.e even 4 2 900.2.d.c 2
16.e even 4 2 1280.2.d.c 2
16.f odd 4 2 1280.2.d.g 2
17.b even 2 1 5780.2.a.f 1
17.c even 4 2 5780.2.c.a 2
19.b odd 2 1 7220.2.a.f 1
20.d odd 2 1 400.2.a.c 1
20.e even 4 2 400.2.c.b 2
21.c even 2 1 8820.2.a.g 1
24.f even 2 1 2880.2.a.f 1
24.h odd 2 1 2880.2.a.m 1
28.d even 2 1 3920.2.a.h 1
35.c odd 2 1 4900.2.a.e 1
35.f even 4 2 4900.2.e.f 2
40.e odd 2 1 1600.2.a.w 1
40.f even 2 1 1600.2.a.c 1
40.i odd 4 2 1600.2.c.d 2
40.k even 4 2 1600.2.c.e 2
44.c even 2 1 9680.2.a.ba 1
60.h even 2 1 3600.2.a.be 1
60.l odd 4 2 3600.2.f.j 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
20.2.a.a 1 1.a even 1 1 trivial
80.2.a.b 1 4.b odd 2 1
100.2.a.a 1 5.b even 2 1
100.2.c.a 2 5.c odd 4 2
180.2.a.a 1 3.b odd 2 1
320.2.a.a 1 8.d odd 2 1
320.2.a.f 1 8.b even 2 1
400.2.a.c 1 20.d odd 2 1
400.2.c.b 2 20.e even 4 2
720.2.a.h 1 12.b even 2 1
900.2.a.b 1 15.d odd 2 1
900.2.d.c 2 15.e even 4 2
980.2.a.h 1 7.b odd 2 1
980.2.i.c 2 7.d odd 6 2
980.2.i.i 2 7.c even 3 2
1280.2.d.c 2 16.e even 4 2
1280.2.d.g 2 16.f odd 4 2
1600.2.a.c 1 40.f even 2 1
1600.2.a.w 1 40.e odd 2 1
1600.2.c.d 2 40.i odd 4 2
1600.2.c.e 2 40.k even 4 2
1620.2.i.b 2 9.d odd 6 2
1620.2.i.h 2 9.c even 3 2
2420.2.a.a 1 11.b odd 2 1
2880.2.a.f 1 24.f even 2 1
2880.2.a.m 1 24.h odd 2 1
3380.2.a.c 1 13.b even 2 1
3380.2.f.b 2 13.d odd 4 2
3600.2.a.be 1 60.h even 2 1
3600.2.f.j 2 60.l odd 4 2
3920.2.a.h 1 28.d even 2 1
4900.2.a.e 1 35.c odd 2 1
4900.2.e.f 2 35.f even 4 2
5780.2.a.f 1 17.b even 2 1
5780.2.c.a 2 17.c even 4 2
7220.2.a.f 1 19.b odd 2 1
8820.2.a.g 1 21.c even 2 1
9680.2.a.ba 1 44.c even 2 1

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(\Gamma_0(20))\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T + 2 \) Copy content Toggle raw display
$5$ \( T + 1 \) Copy content Toggle raw display
$7$ \( T - 2 \) Copy content Toggle raw display
$11$ \( T \) Copy content Toggle raw display
$13$ \( T - 2 \) Copy content Toggle raw display
$17$ \( T + 6 \) Copy content Toggle raw display
$19$ \( T + 4 \) Copy content Toggle raw display
$23$ \( T - 6 \) Copy content Toggle raw display
$29$ \( T - 6 \) Copy content Toggle raw display
$31$ \( T + 4 \) Copy content Toggle raw display
$37$ \( T - 2 \) Copy content Toggle raw display
$41$ \( T - 6 \) Copy content Toggle raw display
$43$ \( T + 10 \) Copy content Toggle raw display
$47$ \( T + 6 \) Copy content Toggle raw display
$53$ \( T + 6 \) Copy content Toggle raw display
$59$ \( T - 12 \) Copy content Toggle raw display
$61$ \( T - 2 \) Copy content Toggle raw display
$67$ \( T - 2 \) Copy content Toggle raw display
$71$ \( T + 12 \) Copy content Toggle raw display
$73$ \( T - 2 \) Copy content Toggle raw display
$79$ \( T - 8 \) Copy content Toggle raw display
$83$ \( T - 6 \) Copy content Toggle raw display
$89$ \( T + 6 \) Copy content Toggle raw display
$97$ \( T - 2 \) Copy content Toggle raw display
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