Properties

Label 600.2.w.g
Level $600$
Weight $2$
Character orbit 600.w
Analytic conductor $4.791$
Analytic rank $0$
Dimension $4$
CM discriminant -120
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [600,2,Mod(293,600)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(600, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 2, 2, 3]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("600.293");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 600 = 2^{3} \cdot 3 \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 600.w (of order \(4\), degree \(2\), 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: \(4.79102412128\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(i)\)
Coefficient field: \(\Q(i, \sqrt{6})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{4}]$

$q$-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 a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_{2} + 1) q^{2} + \beta_1 q^{3} - 2 \beta_{2} q^{4} + ( - \beta_{3} + \beta_1) q^{6} + ( - 2 \beta_{2} - 2) q^{8} + 3 \beta_{2} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{2} + 1) q^{2} + \beta_1 q^{3} - 2 \beta_{2} q^{4} + ( - \beta_{3} + \beta_1) q^{6} + ( - 2 \beta_{2} - 2) q^{8} + 3 \beta_{2} q^{9} + ( - 2 \beta_{3} + 2 \beta_1) q^{11} - 2 \beta_{3} q^{12} + 2 \beta_1 q^{13} - 4 q^{16} + ( - 2 \beta_{2} + 2) q^{17} + (3 \beta_{2} + 3) q^{18} - 4 \beta_{3} q^{22} + ( - 4 \beta_{2} - 4) q^{23} + ( - 2 \beta_{3} - 2 \beta_1) q^{24} + ( - 2 \beta_{3} + 2 \beta_1) q^{26} + 3 \beta_{3} q^{27} + ( - 4 \beta_{3} - 4 \beta_1) q^{29} + 2 q^{31} + (4 \beta_{2} - 4) q^{32} + (6 \beta_{2} + 6) q^{33} - 4 \beta_{2} q^{34} + 6 q^{36} + 6 \beta_{3} q^{37} + 6 \beta_{2} q^{39} + 2 \beta_1 q^{43} + ( - 4 \beta_{3} - 4 \beta_1) q^{44} - 8 q^{46} + (8 \beta_{2} - 8) q^{47} - 4 \beta_1 q^{48} - 7 \beta_{2} q^{49} + ( - 2 \beta_{3} + 2 \beta_1) q^{51} - 4 \beta_{3} q^{52} + (3 \beta_{3} + 3 \beta_1) q^{54} - 8 \beta_1 q^{58} + (6 \beta_{3} + 6 \beta_1) q^{59} + ( - 2 \beta_{2} + 2) q^{62} + 8 \beta_{2} q^{64} + 12 q^{66} + 6 \beta_{3} q^{67} + ( - 4 \beta_{2} - 4) q^{68} + ( - 4 \beta_{3} - 4 \beta_1) q^{69} + ( - 6 \beta_{2} + 6) q^{72} + (6 \beta_{3} + 6 \beta_1) q^{74} + (6 \beta_{2} + 6) q^{78} - 14 \beta_{2} q^{79} - 9 q^{81} + ( - 2 \beta_{3} + 2 \beta_1) q^{86} + ( - 12 \beta_{2} + 12) q^{87} - 8 \beta_1 q^{88} + (8 \beta_{2} - 8) q^{92} + 2 \beta_1 q^{93} + 16 \beta_{2} q^{94} + (4 \beta_{3} - 4 \beta_1) q^{96} + ( - 7 \beta_{2} - 7) q^{98} + (6 \beta_{3} + 6 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 4 q^{2} - 8 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 4 q^{2} - 8 q^{8} - 16 q^{16} + 8 q^{17} + 12 q^{18} - 16 q^{23} + 8 q^{31} - 16 q^{32} + 24 q^{33} + 24 q^{36} - 32 q^{46} - 32 q^{47} + 8 q^{62} + 48 q^{66} - 16 q^{68} + 24 q^{72} + 24 q^{78} - 36 q^{81} + 48 q^{87} - 32 q^{92} - 28 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 9 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{2} ) / 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} ) / 3 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 3\beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 3\beta_{3} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/600\mathbb{Z}\right)^\times\).

\(n\) \(151\) \(301\) \(401\) \(577\)
\(\chi(n)\) \(1\) \(-1\) \(-1\) \(\beta_{2}\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
293.1
−1.22474 + 1.22474i
1.22474 1.22474i
−1.22474 1.22474i
1.22474 + 1.22474i
1.00000 + 1.00000i −1.22474 + 1.22474i 2.00000i 0 −2.44949 0 −2.00000 + 2.00000i 3.00000i 0
293.2 1.00000 + 1.00000i 1.22474 1.22474i 2.00000i 0 2.44949 0 −2.00000 + 2.00000i 3.00000i 0
557.1 1.00000 1.00000i −1.22474 1.22474i 2.00000i 0 −2.44949 0 −2.00000 2.00000i 3.00000i 0
557.2 1.00000 1.00000i 1.22474 + 1.22474i 2.00000i 0 2.44949 0 −2.00000 2.00000i 3.00000i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
120.i odd 2 1 CM by \(\Q(\sqrt{-30}) \)
5.c odd 4 1 inner
8.b even 2 1 inner
15.d odd 2 1 inner
15.e even 4 1 inner
40.i odd 4 1 inner
120.w even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 600.2.w.g yes 4
3.b odd 2 1 600.2.w.a 4
5.b even 2 1 600.2.w.a 4
5.c odd 4 1 600.2.w.a 4
5.c odd 4 1 inner 600.2.w.g yes 4
8.b even 2 1 inner 600.2.w.g yes 4
15.d odd 2 1 inner 600.2.w.g yes 4
15.e even 4 1 600.2.w.a 4
15.e even 4 1 inner 600.2.w.g yes 4
24.h odd 2 1 600.2.w.a 4
40.f even 2 1 600.2.w.a 4
40.i odd 4 1 600.2.w.a 4
40.i odd 4 1 inner 600.2.w.g yes 4
120.i odd 2 1 CM 600.2.w.g yes 4
120.w even 4 1 600.2.w.a 4
120.w even 4 1 inner 600.2.w.g yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
600.2.w.a 4 3.b odd 2 1
600.2.w.a 4 5.b even 2 1
600.2.w.a 4 5.c odd 4 1
600.2.w.a 4 15.e even 4 1
600.2.w.a 4 24.h odd 2 1
600.2.w.a 4 40.f even 2 1
600.2.w.a 4 40.i odd 4 1
600.2.w.a 4 120.w even 4 1
600.2.w.g yes 4 1.a even 1 1 trivial
600.2.w.g yes 4 5.c odd 4 1 inner
600.2.w.g yes 4 8.b even 2 1 inner
600.2.w.g yes 4 15.d odd 2 1 inner
600.2.w.g yes 4 15.e even 4 1 inner
600.2.w.g yes 4 40.i odd 4 1 inner
600.2.w.g yes 4 120.i odd 2 1 CM
600.2.w.g yes 4 120.w even 4 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(600, [\chi])\):

\( T_{7} \) Copy content Toggle raw display
\( T_{11}^{2} - 24 \) Copy content Toggle raw display
\( T_{17}^{2} - 4T_{17} + 8 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} - 2 T + 2)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} + 9 \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} \) Copy content Toggle raw display
$11$ \( (T^{2} - 24)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} + 144 \) Copy content Toggle raw display
$17$ \( (T^{2} - 4 T + 8)^{2} \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} + 8 T + 32)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 96)^{2} \) Copy content Toggle raw display
$31$ \( (T - 2)^{4} \) Copy content Toggle raw display
$37$ \( T^{4} + 11664 \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( T^{4} + 144 \) Copy content Toggle raw display
$47$ \( (T^{2} + 16 T + 128)^{2} \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( (T^{2} + 216)^{2} \) Copy content Toggle raw display
$61$ \( T^{4} \) Copy content Toggle raw display
$67$ \( T^{4} + 11664 \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( T^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 196)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} \) Copy content Toggle raw display
$97$ \( T^{4} \) Copy content Toggle raw display
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