Properties

Label 900.3.c.e
Level $900$
Weight $3$
Character orbit 900.c
Analytic conductor $24.523$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [900,3,Mod(451,900)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(900, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 0]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("900.451");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 900 = 2^{2} \cdot 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 900.c (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: no
Analytic conductor: \(24.5232237924\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 12)
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 \(\beta = \sqrt{-3}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta - 1) q^{2} + ( - 2 \beta - 2) q^{4} - 4 \beta q^{7} + 8 q^{8} +O(q^{10}) \) Copy content Toggle raw display \( q + (\beta - 1) q^{2} + ( - 2 \beta - 2) q^{4} - 4 \beta q^{7} + 8 q^{8} + 4 \beta q^{11} - 2 q^{13} + (4 \beta + 12) q^{14} + (8 \beta - 8) q^{16} + 10 q^{17} - 12 \beta q^{19} + ( - 4 \beta - 12) q^{22} + 16 \beta q^{23} + ( - 2 \beta + 2) q^{26} + (8 \beta - 24) q^{28} + 26 q^{29} - 4 \beta q^{31} + ( - 16 \beta - 16) q^{32} + (10 \beta - 10) q^{34} - 26 q^{37} + (12 \beta + 36) q^{38} - 58 q^{41} - 28 \beta q^{43} + ( - 8 \beta + 24) q^{44} + ( - 16 \beta - 48) q^{46} - 40 \beta q^{47} + q^{49} + (4 \beta + 4) q^{52} - 74 q^{53} - 32 \beta q^{56} + (26 \beta - 26) q^{58} - 52 \beta q^{59} + 26 q^{61} + (4 \beta + 12) q^{62} + 64 q^{64} + 4 \beta q^{67} + ( - 20 \beta - 20) q^{68} + 46 q^{73} + ( - 26 \beta + 26) q^{74} + (24 \beta - 72) q^{76} + 48 q^{77} - 68 \beta q^{79} + ( - 58 \beta + 58) q^{82} - 28 \beta q^{83} + (28 \beta + 84) q^{86} + 32 \beta q^{88} - 82 q^{89} + 8 \beta q^{91} + ( - 32 \beta + 96) q^{92} + (40 \beta + 120) q^{94} - 2 q^{97} + (\beta - 1) q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} - 4 q^{4} + 16 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 2 q^{2} - 4 q^{4} + 16 q^{8} - 4 q^{13} + 24 q^{14} - 16 q^{16} + 20 q^{17} - 24 q^{22} + 4 q^{26} - 48 q^{28} + 52 q^{29} - 32 q^{32} - 20 q^{34} - 52 q^{37} + 72 q^{38} - 116 q^{41} + 48 q^{44} - 96 q^{46} + 2 q^{49} + 8 q^{52} - 148 q^{53} - 52 q^{58} + 52 q^{61} + 24 q^{62} + 128 q^{64} - 40 q^{68} + 92 q^{73} + 52 q^{74} - 144 q^{76} + 96 q^{77} + 116 q^{82} + 168 q^{86} - 164 q^{89} + 192 q^{92} + 240 q^{94} - 4 q^{97} - 2 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/900\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(451\) \(577\)
\(\chi(n)\) \(1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
451.1
0.500000 0.866025i
0.500000 + 0.866025i
−1.00000 1.73205i 0 −2.00000 + 3.46410i 0 0 6.92820i 8.00000 0 0
451.2 −1.00000 + 1.73205i 0 −2.00000 3.46410i 0 0 6.92820i 8.00000 0 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
4.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 900.3.c.e 2
3.b odd 2 1 300.3.c.b 2
4.b odd 2 1 inner 900.3.c.e 2
5.b even 2 1 36.3.d.c 2
5.c odd 4 2 900.3.f.c 4
12.b even 2 1 300.3.c.b 2
15.d odd 2 1 12.3.d.a 2
15.e even 4 2 300.3.f.a 4
20.d odd 2 1 36.3.d.c 2
20.e even 4 2 900.3.f.c 4
40.e odd 2 1 576.3.g.e 2
40.f even 2 1 576.3.g.e 2
45.h odd 6 1 324.3.f.d 2
45.h odd 6 1 324.3.f.j 2
45.j even 6 1 324.3.f.a 2
45.j even 6 1 324.3.f.g 2
60.h even 2 1 12.3.d.a 2
60.l odd 4 2 300.3.f.a 4
80.k odd 4 2 2304.3.b.l 4
80.q even 4 2 2304.3.b.l 4
105.g even 2 1 588.3.g.b 2
120.i odd 2 1 192.3.g.b 2
120.m even 2 1 192.3.g.b 2
180.n even 6 1 324.3.f.d 2
180.n even 6 1 324.3.f.j 2
180.p odd 6 1 324.3.f.a 2
180.p odd 6 1 324.3.f.g 2
240.t even 4 2 768.3.b.c 4
240.bm odd 4 2 768.3.b.c 4
420.o odd 2 1 588.3.g.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
12.3.d.a 2 15.d odd 2 1
12.3.d.a 2 60.h even 2 1
36.3.d.c 2 5.b even 2 1
36.3.d.c 2 20.d odd 2 1
192.3.g.b 2 120.i odd 2 1
192.3.g.b 2 120.m even 2 1
300.3.c.b 2 3.b odd 2 1
300.3.c.b 2 12.b even 2 1
300.3.f.a 4 15.e even 4 2
300.3.f.a 4 60.l odd 4 2
324.3.f.a 2 45.j even 6 1
324.3.f.a 2 180.p odd 6 1
324.3.f.d 2 45.h odd 6 1
324.3.f.d 2 180.n even 6 1
324.3.f.g 2 45.j even 6 1
324.3.f.g 2 180.p odd 6 1
324.3.f.j 2 45.h odd 6 1
324.3.f.j 2 180.n even 6 1
576.3.g.e 2 40.e odd 2 1
576.3.g.e 2 40.f even 2 1
588.3.g.b 2 105.g even 2 1
588.3.g.b 2 420.o odd 2 1
768.3.b.c 4 240.t even 4 2
768.3.b.c 4 240.bm odd 4 2
900.3.c.e 2 1.a even 1 1 trivial
900.3.c.e 2 4.b odd 2 1 inner
900.3.f.c 4 5.c odd 4 2
900.3.f.c 4 20.e even 4 2
2304.3.b.l 4 80.k odd 4 2
2304.3.b.l 4 80.q even 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(900, [\chi])\):

\( T_{7}^{2} + 48 \) Copy content Toggle raw display
\( T_{13} + 2 \) Copy content Toggle raw display
\( T_{17} - 10 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} + 48 \) Copy content Toggle raw display
$11$ \( T^{2} + 48 \) Copy content Toggle raw display
$13$ \( (T + 2)^{2} \) Copy content Toggle raw display
$17$ \( (T - 10)^{2} \) Copy content Toggle raw display
$19$ \( T^{2} + 432 \) Copy content Toggle raw display
$23$ \( T^{2} + 768 \) Copy content Toggle raw display
$29$ \( (T - 26)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} + 48 \) Copy content Toggle raw display
$37$ \( (T + 26)^{2} \) Copy content Toggle raw display
$41$ \( (T + 58)^{2} \) Copy content Toggle raw display
$43$ \( T^{2} + 2352 \) Copy content Toggle raw display
$47$ \( T^{2} + 4800 \) Copy content Toggle raw display
$53$ \( (T + 74)^{2} \) Copy content Toggle raw display
$59$ \( T^{2} + 8112 \) Copy content Toggle raw display
$61$ \( (T - 26)^{2} \) Copy content Toggle raw display
$67$ \( T^{2} + 48 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( (T - 46)^{2} \) Copy content Toggle raw display
$79$ \( T^{2} + 13872 \) Copy content Toggle raw display
$83$ \( T^{2} + 2352 \) Copy content Toggle raw display
$89$ \( (T + 82)^{2} \) Copy content Toggle raw display
$97$ \( (T + 2)^{2} \) Copy content Toggle raw display
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