Properties

Label 1200.4.f.i
Level $1200$
Weight $4$
Character orbit 1200.f
Analytic conductor $70.802$
Analytic rank $0$
Dimension $2$
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1200,4,Mod(49,1200)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1200, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 1]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1200.49");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1200 = 2^{4} \cdot 3 \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1200.f (of order \(2\), degree \(1\), 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: \(70.8022920069\)
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: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 600)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q - 3 i q^{3} + 5 i q^{7} - 9 q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - 3 i q^{3} + 5 i q^{7} - 9 q^{9} - 14 q^{11} + i q^{13} - 46 i q^{17} + 19 q^{19} + 15 q^{21} + 46 i q^{23} + 27 i q^{27} - 14 q^{29} - 133 q^{31} + 42 i q^{33} - 258 i q^{37} + 3 q^{39} + 84 q^{41} + 167 i q^{43} + 410 i q^{47} + 318 q^{49} - 138 q^{51} + 456 i q^{53} - 57 i q^{57} - 194 q^{59} - 17 q^{61} - 45 i q^{63} + 653 i q^{67} + 138 q^{69} - 828 q^{71} + 570 i q^{73} - 70 i q^{77} - 552 q^{79} + 81 q^{81} - 142 i q^{83} + 42 i q^{87} + 1104 q^{89} - 5 q^{91} + 399 i q^{93} - 841 i q^{97} + 126 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 18 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 18 q^{9} - 28 q^{11} + 38 q^{19} + 30 q^{21} - 28 q^{29} - 266 q^{31} + 6 q^{39} + 168 q^{41} + 636 q^{49} - 276 q^{51} - 388 q^{59} - 34 q^{61} + 276 q^{69} - 1656 q^{71} - 1104 q^{79} + 162 q^{81} + 2208 q^{89} - 10 q^{91} + 252 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1200\mathbb{Z}\right)^\times\).

\(n\) \(401\) \(577\) \(751\) \(901\)
\(\chi(n)\) \(1\) \(-1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
49.1
1.00000i
1.00000i
0 3.00000i 0 0 0 5.00000i 0 −9.00000 0
49.2 0 3.00000i 0 0 0 5.00000i 0 −9.00000 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
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1200.4.f.i 2
4.b odd 2 1 600.4.f.e 2
5.b even 2 1 inner 1200.4.f.i 2
5.c odd 4 1 1200.4.a.g 1
5.c odd 4 1 1200.4.a.bd 1
12.b even 2 1 1800.4.f.l 2
20.d odd 2 1 600.4.f.e 2
20.e even 4 1 600.4.a.e 1
20.e even 4 1 600.4.a.n yes 1
60.h even 2 1 1800.4.f.l 2
60.l odd 4 1 1800.4.a.m 1
60.l odd 4 1 1800.4.a.v 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
600.4.a.e 1 20.e even 4 1
600.4.a.n yes 1 20.e even 4 1
600.4.f.e 2 4.b odd 2 1
600.4.f.e 2 20.d odd 2 1
1200.4.a.g 1 5.c odd 4 1
1200.4.a.bd 1 5.c odd 4 1
1200.4.f.i 2 1.a even 1 1 trivial
1200.4.f.i 2 5.b even 2 1 inner
1800.4.a.m 1 60.l odd 4 1
1800.4.a.v 1 60.l odd 4 1
1800.4.f.l 2 12.b even 2 1
1800.4.f.l 2 60.h even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(1200, [\chi])\):

\( T_{7}^{2} + 25 \) Copy content Toggle raw display
\( T_{11} + 14 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + 9 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} + 25 \) Copy content Toggle raw display
$11$ \( (T + 14)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} + 1 \) Copy content Toggle raw display
$17$ \( T^{2} + 2116 \) Copy content Toggle raw display
$19$ \( (T - 19)^{2} \) Copy content Toggle raw display
$23$ \( T^{2} + 2116 \) Copy content Toggle raw display
$29$ \( (T + 14)^{2} \) Copy content Toggle raw display
$31$ \( (T + 133)^{2} \) Copy content Toggle raw display
$37$ \( T^{2} + 66564 \) Copy content Toggle raw display
$41$ \( (T - 84)^{2} \) Copy content Toggle raw display
$43$ \( T^{2} + 27889 \) Copy content Toggle raw display
$47$ \( T^{2} + 168100 \) Copy content Toggle raw display
$53$ \( T^{2} + 207936 \) Copy content Toggle raw display
$59$ \( (T + 194)^{2} \) Copy content Toggle raw display
$61$ \( (T + 17)^{2} \) Copy content Toggle raw display
$67$ \( T^{2} + 426409 \) Copy content Toggle raw display
$71$ \( (T + 828)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 324900 \) Copy content Toggle raw display
$79$ \( (T + 552)^{2} \) Copy content Toggle raw display
$83$ \( T^{2} + 20164 \) Copy content Toggle raw display
$89$ \( (T - 1104)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 707281 \) Copy content Toggle raw display
show more
show less