Properties

Label 360.3.p.b
Level $360$
Weight $3$
Character orbit 360.p
Self dual yes
Analytic conductor $9.809$
Analytic rank $0$
Dimension $1$
CM discriminant -40
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [360,3,Mod(19,360)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(360, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("360.19");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 360 = 2^{3} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 360.p (of order \(2\), degree \(1\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(9.80928951697\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 40)
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + 2 q^{2} + 4 q^{4} - 5 q^{5} + 6 q^{7} + 8 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + 2 q^{2} + 4 q^{4} - 5 q^{5} + 6 q^{7} + 8 q^{8} - 10 q^{10} + 18 q^{11} - 6 q^{13} + 12 q^{14} + 16 q^{16} - 2 q^{19} - 20 q^{20} + 36 q^{22} + 26 q^{23} + 25 q^{25} - 12 q^{26} + 24 q^{28} + 32 q^{32} - 30 q^{35} - 54 q^{37} - 4 q^{38} - 40 q^{40} + 78 q^{41} + 72 q^{44} + 52 q^{46} - 86 q^{47} - 13 q^{49} + 50 q^{50} - 24 q^{52} - 74 q^{53} - 90 q^{55} + 48 q^{56} - 78 q^{59} + 64 q^{64} + 30 q^{65} - 60 q^{70} - 108 q^{74} - 8 q^{76} + 108 q^{77} - 80 q^{80} + 156 q^{82} + 144 q^{88} - 18 q^{89} - 36 q^{91} + 104 q^{92} - 172 q^{94} + 10 q^{95} - 26 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/360\mathbb{Z}\right)^\times\).

\(n\) \(181\) \(217\) \(271\) \(281\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
19.1
0
2.00000 0 4.00000 −5.00000 0 6.00000 8.00000 0 −10.0000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
40.e odd 2 1 CM by \(\Q(\sqrt{-10}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 360.3.p.b 1
3.b odd 2 1 40.3.e.a 1
4.b odd 2 1 1440.3.p.a 1
5.b even 2 1 360.3.p.a 1
8.b even 2 1 1440.3.p.b 1
8.d odd 2 1 360.3.p.a 1
12.b even 2 1 160.3.e.b 1
15.d odd 2 1 40.3.e.b yes 1
15.e even 4 2 200.3.g.c 2
20.d odd 2 1 1440.3.p.b 1
24.f even 2 1 40.3.e.b yes 1
24.h odd 2 1 160.3.e.a 1
40.e odd 2 1 CM 360.3.p.b 1
40.f even 2 1 1440.3.p.a 1
48.i odd 4 2 1280.3.h.b 2
48.k even 4 2 1280.3.h.c 2
60.h even 2 1 160.3.e.a 1
60.l odd 4 2 800.3.g.c 2
120.i odd 2 1 160.3.e.b 1
120.m even 2 1 40.3.e.a 1
120.q odd 4 2 200.3.g.c 2
120.w even 4 2 800.3.g.c 2
240.t even 4 2 1280.3.h.b 2
240.bm odd 4 2 1280.3.h.c 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
40.3.e.a 1 3.b odd 2 1
40.3.e.a 1 120.m even 2 1
40.3.e.b yes 1 15.d odd 2 1
40.3.e.b yes 1 24.f even 2 1
160.3.e.a 1 24.h odd 2 1
160.3.e.a 1 60.h even 2 1
160.3.e.b 1 12.b even 2 1
160.3.e.b 1 120.i odd 2 1
200.3.g.c 2 15.e even 4 2
200.3.g.c 2 120.q odd 4 2
360.3.p.a 1 5.b even 2 1
360.3.p.a 1 8.d odd 2 1
360.3.p.b 1 1.a even 1 1 trivial
360.3.p.b 1 40.e odd 2 1 CM
800.3.g.c 2 60.l odd 4 2
800.3.g.c 2 120.w even 4 2
1280.3.h.b 2 48.i odd 4 2
1280.3.h.b 2 240.t even 4 2
1280.3.h.c 2 48.k even 4 2
1280.3.h.c 2 240.bm odd 4 2
1440.3.p.a 1 4.b odd 2 1
1440.3.p.a 1 40.f even 2 1
1440.3.p.b 1 8.b even 2 1
1440.3.p.b 1 20.d odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(360, [\chi])\):

\( T_{7} - 6 \) Copy content Toggle raw display
\( T_{23} - 26 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 2 \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T + 5 \) Copy content Toggle raw display
$7$ \( T - 6 \) Copy content Toggle raw display
$11$ \( T - 18 \) Copy content Toggle raw display
$13$ \( T + 6 \) Copy content Toggle raw display
$17$ \( T \) Copy content Toggle raw display
$19$ \( T + 2 \) Copy content Toggle raw display
$23$ \( T - 26 \) Copy content Toggle raw display
$29$ \( T \) Copy content Toggle raw display
$31$ \( T \) Copy content Toggle raw display
$37$ \( T + 54 \) Copy content Toggle raw display
$41$ \( T - 78 \) Copy content Toggle raw display
$43$ \( T \) Copy content Toggle raw display
$47$ \( T + 86 \) Copy content Toggle raw display
$53$ \( T + 74 \) Copy content Toggle raw display
$59$ \( T + 78 \) Copy content Toggle raw display
$61$ \( T \) Copy content Toggle raw display
$67$ \( T \) Copy content Toggle raw display
$71$ \( T \) Copy content Toggle raw display
$73$ \( T \) Copy content Toggle raw display
$79$ \( T \) Copy content Toggle raw display
$83$ \( T \) Copy content Toggle raw display
$89$ \( T + 18 \) Copy content Toggle raw display
$97$ \( T \) Copy content Toggle raw display
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