Properties

Label 578.2.c.d
Level $578$
Weight $2$
Character orbit 578.c
Analytic conductor $4.615$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [578,2,Mod(251,578)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(578, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("578.251");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 578 = 2 \cdot 17^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 578.c (of order \(4\), degree \(2\), not 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: no
Analytic conductor: \(4.61535323683\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-1}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 34)
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(i = \sqrt{-1}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - i q^{2} + (2 i + 2) q^{3} - q^{4} + (2 i + 2) q^{5} + ( - 2 i + 2) q^{6} + i q^{8} + 5 i q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - i q^{2} + (2 i + 2) q^{3} - q^{4} + (2 i + 2) q^{5} + ( - 2 i + 2) q^{6} + i q^{8} + 5 i q^{9} + ( - 2 i + 2) q^{10} + ( - 2 i + 2) q^{11} + ( - 2 i - 2) q^{12} - 2 q^{13} + 8 i q^{15} + q^{16} + 5 q^{18} - 4 i q^{19} + ( - 2 i - 2) q^{20} + ( - 2 i - 2) q^{22} + (4 i - 4) q^{23} + (2 i - 2) q^{24} + 3 i q^{25} + 2 i q^{26} + (4 i - 4) q^{27} + (2 i + 2) q^{29} + 8 q^{30} - i q^{32} + 8 q^{33} - 5 i q^{36} + ( - 6 i - 6) q^{37} - 4 q^{38} + ( - 4 i - 4) q^{39} + (2 i - 2) q^{40} + ( - 4 i + 4) q^{41} + 4 i q^{43} + (2 i - 2) q^{44} + (10 i - 10) q^{45} + (4 i + 4) q^{46} + (2 i + 2) q^{48} + 7 i q^{49} + 3 q^{50} + 2 q^{52} + 6 i q^{53} + (4 i + 4) q^{54} + 8 q^{55} + ( - 8 i + 8) q^{57} + ( - 2 i + 2) q^{58} - 12 i q^{59} - 8 i q^{60} + ( - 6 i + 6) q^{61} - q^{64} + ( - 4 i - 4) q^{65} - 8 i q^{66} - 4 q^{67} - 16 q^{69} + (4 i + 4) q^{71} - 5 q^{72} + (6 i - 6) q^{74} + (6 i - 6) q^{75} + 4 i q^{76} + (4 i - 4) q^{78} + ( - 12 i + 12) q^{79} + (2 i + 2) q^{80} - q^{81} + ( - 4 i - 4) q^{82} - 12 i q^{83} + 4 q^{86} + 8 i q^{87} + (2 i + 2) q^{88} - 6 q^{89} + (10 i + 10) q^{90} + ( - 4 i + 4) q^{92} + ( - 8 i + 8) q^{95} + ( - 2 i + 2) q^{96} + ( - 12 i - 12) q^{97} + 7 q^{98} + (10 i + 10) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 4 q^{3} - 2 q^{4} + 4 q^{5} + 4 q^{6}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 4 q^{3} - 2 q^{4} + 4 q^{5} + 4 q^{6} + 4 q^{10} + 4 q^{11} - 4 q^{12} - 4 q^{13} + 2 q^{16} + 10 q^{18} - 4 q^{20} - 4 q^{22} - 8 q^{23} - 4 q^{24} - 8 q^{27} + 4 q^{29} + 16 q^{30} + 16 q^{33} - 12 q^{37} - 8 q^{38} - 8 q^{39} - 4 q^{40} + 8 q^{41} - 4 q^{44} - 20 q^{45} + 8 q^{46} + 4 q^{48} + 6 q^{50} + 4 q^{52} + 8 q^{54} + 16 q^{55} + 16 q^{57} + 4 q^{58} + 12 q^{61} - 2 q^{64} - 8 q^{65} - 8 q^{67} - 32 q^{69} + 8 q^{71} - 10 q^{72} - 12 q^{74} - 12 q^{75} - 8 q^{78} + 24 q^{79} + 4 q^{80} - 2 q^{81} - 8 q^{82} + 8 q^{86} + 4 q^{88} - 12 q^{89} + 20 q^{90} + 8 q^{92} + 16 q^{95} + 4 q^{96} - 24 q^{97} + 14 q^{98} + 20 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/578\mathbb{Z}\right)^\times\).

\(n\) \(3\)
\(\chi(n)\) \(i\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
251.1
1.00000i
1.00000i
1.00000i 2.00000 + 2.00000i −1.00000 2.00000 + 2.00000i 2.00000 2.00000i 0 1.00000i 5.00000i 2.00000 2.00000i
327.1 1.00000i 2.00000 2.00000i −1.00000 2.00000 2.00000i 2.00000 + 2.00000i 0 1.00000i 5.00000i 2.00000 + 2.00000i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
17.c even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 578.2.c.d 2
17.b even 2 1 578.2.c.a 2
17.c even 4 1 578.2.c.a 2
17.c even 4 1 inner 578.2.c.d 2
17.d even 8 2 34.2.b.a 2
17.d even 8 2 578.2.a.d 2
17.e odd 16 8 578.2.d.g 8
51.g odd 8 2 306.2.b.d 2
51.g odd 8 2 5202.2.a.u 2
68.g odd 8 2 272.2.b.a 2
68.g odd 8 2 4624.2.a.s 2
85.k odd 8 2 850.2.d.i 4
85.m even 8 2 850.2.b.f 2
85.n odd 8 2 850.2.d.i 4
119.l odd 8 2 1666.2.b.c 2
136.o even 8 2 1088.2.b.b 2
136.p odd 8 2 1088.2.b.a 2
204.p even 8 2 2448.2.c.n 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
34.2.b.a 2 17.d even 8 2
272.2.b.a 2 68.g odd 8 2
306.2.b.d 2 51.g odd 8 2
578.2.a.d 2 17.d even 8 2
578.2.c.a 2 17.b even 2 1
578.2.c.a 2 17.c even 4 1
578.2.c.d 2 1.a even 1 1 trivial
578.2.c.d 2 17.c even 4 1 inner
578.2.d.g 8 17.e odd 16 8
850.2.b.f 2 85.m even 8 2
850.2.d.i 4 85.k odd 8 2
850.2.d.i 4 85.n odd 8 2
1088.2.b.a 2 136.p odd 8 2
1088.2.b.b 2 136.o even 8 2
1666.2.b.c 2 119.l odd 8 2
2448.2.c.n 2 204.p even 8 2
4624.2.a.s 2 68.g odd 8 2
5202.2.a.u 2 51.g odd 8 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{2} - 4T_{3} + 8 \) acting on \(S_{2}^{\mathrm{new}}(578, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 1 \) Copy content Toggle raw display
$3$ \( T^{2} - 4T + 8 \) Copy content Toggle raw display
$5$ \( T^{2} - 4T + 8 \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} - 4T + 8 \) Copy content Toggle raw display
$13$ \( (T + 2)^{2} \) Copy content Toggle raw display
$17$ \( T^{2} \) Copy content Toggle raw display
$19$ \( T^{2} + 16 \) Copy content Toggle raw display
$23$ \( T^{2} + 8T + 32 \) Copy content Toggle raw display
$29$ \( T^{2} - 4T + 8 \) Copy content Toggle raw display
$31$ \( T^{2} \) Copy content Toggle raw display
$37$ \( T^{2} + 12T + 72 \) Copy content Toggle raw display
$41$ \( T^{2} - 8T + 32 \) Copy content Toggle raw display
$43$ \( T^{2} + 16 \) Copy content Toggle raw display
$47$ \( T^{2} \) Copy content Toggle raw display
$53$ \( T^{2} + 36 \) Copy content Toggle raw display
$59$ \( T^{2} + 144 \) Copy content Toggle raw display
$61$ \( T^{2} - 12T + 72 \) Copy content Toggle raw display
$67$ \( (T + 4)^{2} \) Copy content Toggle raw display
$71$ \( T^{2} - 8T + 32 \) Copy content Toggle raw display
$73$ \( T^{2} \) Copy content Toggle raw display
$79$ \( T^{2} - 24T + 288 \) Copy content Toggle raw display
$83$ \( T^{2} + 144 \) Copy content Toggle raw display
$89$ \( (T + 6)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 24T + 288 \) Copy content Toggle raw display
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