Properties

Label 225.3.g.a
Level $225$
Weight $3$
Character orbit 225.g
Analytic conductor $6.131$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [225,3,Mod(82,225)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(225, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([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("225.82");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 225 = 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 225.g (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: \(6.13080594811\)
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: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 15)
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 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.

\(f(q)\) \(=\) \( q + ( - \beta_{2} + \beta_1 - 1) q^{2} + ( - 2 \beta_{3} + \beta_{2} - 2 \beta_1) q^{4} + ( - \beta_{2} - 2 \beta_1 - 1) q^{7} + (\beta_{3} - 3 \beta_{2} + 3) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{2} + \beta_1 - 1) q^{2} + ( - 2 \beta_{3} + \beta_{2} - 2 \beta_1) q^{4} + ( - \beta_{2} - 2 \beta_1 - 1) q^{7} + (\beta_{3} - 3 \beta_{2} + 3) q^{8} + (3 \beta_{3} - 3 \beta_1 - 4) q^{11} + (2 \beta_{3} - 8 \beta_{2} + 8) q^{13} + (\beta_{3} - 4 \beta_{2} + \beta_1) q^{14} + (4 \beta_{3} - 4 \beta_1 - 5) q^{16} + ( - 10 \beta_{2} - 6 \beta_1 - 10) q^{17} + (6 \beta_{3} - 6 \beta_{2} + 6 \beta_1) q^{19} + ( - 5 \beta_{2} + 2 \beta_1 - 5) q^{22} + (2 \beta_{3} - 14 \beta_{2} + 14) q^{23} + ( - 10 \beta_{3} + 10 \beta_1 - 22) q^{26} + (2 \beta_{3} + 11 \beta_{2} - 11) q^{28} + ( - 7 \beta_{3} - 18 \beta_{2} - 7 \beta_1) q^{29} + ( - 6 \beta_{3} + 6 \beta_1 - 4) q^{31} + ( - 19 \beta_{2} + 7 \beta_1 - 19) q^{32} + ( - 4 \beta_{3} + 2 \beta_{2} - 4 \beta_1) q^{34} + ( - 16 \beta_{2} + 18 \beta_1 - 16) q^{37} + ( - 18 \beta_{3} + 24 \beta_{2} - 24) q^{38} + (6 \beta_{3} - 6 \beta_1 + 14) q^{41} + ( - 20 \beta_{3} - 2 \beta_{2} + 2) q^{43} + (5 \beta_{3} + 32 \beta_{2} + 5 \beta_1) q^{44} + ( - 16 \beta_{3} + 16 \beta_1 - 34) q^{46} + (32 \beta_{2} + 10 \beta_1 + 32) q^{47} + (4 \beta_{3} - 35 \beta_{2} + 4 \beta_1) q^{49} + (20 \beta_{2} - 34 \beta_1 + 20) q^{52} + (12 \beta_{3} - 14 \beta_{2} + 14) q^{53} + (5 \beta_{3} - 5 \beta_1) q^{56} + ( - 4 \beta_{3} - 3 \beta_{2} + 3) q^{58} + (31 \beta_{3} - 36 \beta_{2} + 31 \beta_1) q^{59} + (18 \beta_{3} - 18 \beta_1 + 50) q^{61} + (22 \beta_{2} - 16 \beta_1 + 22) q^{62} + ( - 10 \beta_{3} + 79 \beta_{2} - 10 \beta_1) q^{64} + (50 \beta_{2} - 4 \beta_1 + 50) q^{67} + (34 \beta_{3} + 26 \beta_{2} - 26) q^{68} + 68 q^{71} + (48 \beta_{3} + 19 \beta_{2} - 19) q^{73} + ( - 34 \beta_{3} + 86 \beta_{2} - 34 \beta_1) q^{74} + (18 \beta_{3} - 18 \beta_1 + 78) q^{76} + (22 \beta_{2} + 14 \beta_1 + 22) q^{77} + ( - 10 \beta_{3} - 10 \beta_1) q^{79} + ( - 32 \beta_{2} + 26 \beta_1 - 32) q^{82} + ( - 14 \beta_{3} + 4 \beta_{2} - 4) q^{83} + (18 \beta_{3} - 18 \beta_1 + 56) q^{86} + (14 \beta_{3} + 3 \beta_{2} - 3) q^{88} + ( - 36 \beta_{3} + 6 \beta_{2} - 36 \beta_1) q^{89} + (14 \beta_{3} - 14 \beta_1 - 4) q^{91} + (26 \beta_{2} - 58 \beta_1 + 26) q^{92} + (22 \beta_{3} - 34 \beta_{2} + 22 \beta_1) q^{94} + (5 \beta_{2} + 16 \beta_1 + 5) q^{97} + ( - 43 \beta_{3} + 47 \beta_{2} - 47) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 4 q^{2} - 4 q^{7} + 12 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 4 q^{2} - 4 q^{7} + 12 q^{8} - 16 q^{11} + 32 q^{13} - 20 q^{16} - 40 q^{17} - 20 q^{22} + 56 q^{23} - 88 q^{26} - 44 q^{28} - 16 q^{31} - 76 q^{32} - 64 q^{37} - 96 q^{38} + 56 q^{41} + 8 q^{43} - 136 q^{46} + 128 q^{47} + 80 q^{52} + 56 q^{53} + 12 q^{58} + 200 q^{61} + 88 q^{62} + 200 q^{67} - 104 q^{68} + 272 q^{71} - 76 q^{73} + 312 q^{76} + 88 q^{77} - 128 q^{82} - 16 q^{83} + 224 q^{86} - 12 q^{88} - 16 q^{91} + 104 q^{92} + 20 q^{97} - 188 q^{98}+O(q^{100}) \) 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 \(\left(\mathbb{Z}/225\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(127\)
\(\chi(n)\) \(1\) \(\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
82.1
−1.22474 1.22474i
1.22474 + 1.22474i
−1.22474 + 1.22474i
1.22474 1.22474i
−2.22474 2.22474i 0 5.89898i 0 0 1.44949 + 1.44949i 4.22474 4.22474i 0 0
82.2 0.224745 + 0.224745i 0 3.89898i 0 0 −3.44949 3.44949i 1.77526 1.77526i 0 0
118.1 −2.22474 + 2.22474i 0 5.89898i 0 0 1.44949 1.44949i 4.22474 + 4.22474i 0 0
118.2 0.224745 0.224745i 0 3.89898i 0 0 −3.44949 + 3.44949i 1.77526 + 1.77526i 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
5.c odd 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 225.3.g.a 4
3.b odd 2 1 75.3.f.c 4
5.b even 2 1 45.3.g.b 4
5.c odd 4 1 45.3.g.b 4
5.c odd 4 1 inner 225.3.g.a 4
12.b even 2 1 1200.3.bg.k 4
15.d odd 2 1 15.3.f.a 4
15.e even 4 1 15.3.f.a 4
15.e even 4 1 75.3.f.c 4
20.d odd 2 1 720.3.bh.k 4
20.e even 4 1 720.3.bh.k 4
45.h odd 6 2 405.3.l.h 8
45.j even 6 2 405.3.l.f 8
45.k odd 12 2 405.3.l.f 8
45.l even 12 2 405.3.l.h 8
60.h even 2 1 240.3.bg.a 4
60.l odd 4 1 240.3.bg.a 4
60.l odd 4 1 1200.3.bg.k 4
120.i odd 2 1 960.3.bg.i 4
120.m even 2 1 960.3.bg.h 4
120.q odd 4 1 960.3.bg.h 4
120.w even 4 1 960.3.bg.i 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
15.3.f.a 4 15.d odd 2 1
15.3.f.a 4 15.e even 4 1
45.3.g.b 4 5.b even 2 1
45.3.g.b 4 5.c odd 4 1
75.3.f.c 4 3.b odd 2 1
75.3.f.c 4 15.e even 4 1
225.3.g.a 4 1.a even 1 1 trivial
225.3.g.a 4 5.c odd 4 1 inner
240.3.bg.a 4 60.h even 2 1
240.3.bg.a 4 60.l odd 4 1
405.3.l.f 8 45.j even 6 2
405.3.l.f 8 45.k odd 12 2
405.3.l.h 8 45.h odd 6 2
405.3.l.h 8 45.l even 12 2
720.3.bh.k 4 20.d odd 2 1
720.3.bh.k 4 20.e even 4 1
960.3.bg.h 4 120.m even 2 1
960.3.bg.h 4 120.q odd 4 1
960.3.bg.i 4 120.i odd 2 1
960.3.bg.i 4 120.w even 4 1
1200.3.bg.k 4 12.b even 2 1
1200.3.bg.k 4 60.l odd 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(225, [\chi])\):

\( T_{2}^{4} + 4T_{2}^{3} + 8T_{2}^{2} - 4T_{2} + 1 \) Copy content Toggle raw display
\( T_{7}^{4} + 4T_{7}^{3} + 8T_{7}^{2} - 40T_{7} + 100 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} + 4 T^{3} + 8 T^{2} - 4 T + 1 \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 4 T^{3} + 8 T^{2} - 40 T + 100 \) Copy content Toggle raw display
$11$ \( (T^{2} + 8 T - 38)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} - 32 T^{3} + 512 T^{2} + \cdots + 13456 \) Copy content Toggle raw display
$17$ \( T^{4} + 40 T^{3} + 800 T^{2} + \cdots + 8464 \) Copy content Toggle raw display
$19$ \( T^{4} + 504 T^{2} + 32400 \) Copy content Toggle raw display
$23$ \( T^{4} - 56 T^{3} + 1568 T^{2} + \cdots + 144400 \) Copy content Toggle raw display
$29$ \( T^{4} + 1236T^{2} + 900 \) Copy content Toggle raw display
$31$ \( (T^{2} + 8 T - 200)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} + 64 T^{3} + 2048 T^{2} + \cdots + 211600 \) Copy content Toggle raw display
$41$ \( (T^{2} - 28 T - 20)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} - 8 T^{3} + 32 T^{2} + \cdots + 1420864 \) Copy content Toggle raw display
$47$ \( T^{4} - 128 T^{3} + 8192 T^{2} + \cdots + 3055504 \) Copy content Toggle raw display
$53$ \( T^{4} - 56 T^{3} + 1568 T^{2} + \cdots + 1600 \) Copy content Toggle raw display
$59$ \( T^{4} + 14124 T^{2} + \cdots + 19980900 \) Copy content Toggle raw display
$61$ \( (T^{2} - 100 T + 556)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} - 200 T^{3} + \cdots + 24522304 \) Copy content Toggle raw display
$71$ \( (T - 68)^{4} \) Copy content Toggle raw display
$73$ \( T^{4} + 76 T^{3} + 2888 T^{2} + \cdots + 38316100 \) Copy content Toggle raw display
$79$ \( (T^{2} + 600)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + 16 T^{3} + 128 T^{2} + \cdots + 309136 \) Copy content Toggle raw display
$89$ \( T^{4} + 15624 T^{2} + \cdots + 59907600 \) Copy content Toggle raw display
$97$ \( T^{4} - 20 T^{3} + 200 T^{2} + \cdots + 515524 \) Copy content Toggle raw display
show more
show less