Properties

Label 2900.1.cg.c
Level $2900$
Weight $1$
Character orbit 2900.cg
Analytic conductor $1.447$
Analytic rank $0$
Dimension $12$
Projective image $D_{28}$
CM discriminant -20
Inner twists $4$

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Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [2900,1,Mod(43,2900)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("2900.43"); S:= CuspForms(chi, 1); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2900, base_ring=CyclotomicField(28)) chi = DirichletCharacter(H, H._module([14, 21, 13])) B = ModularForms(chi, 1).cuspidal_submodule().basis() N = [B[i] for i in range(len(B))]
 
Level: \( N \) \(=\) \( 2900 = 2^{2} \cdot 5^{2} \cdot 29 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2900.cg (of order \(28\), degree \(12\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [12,2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(2)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(1.44728853664\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: \(\Q(\zeta_{28})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - x^{10} + x^{8} - x^{6} + x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{28}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{28} - \cdots)\)

$q$-expansion

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

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q + \zeta_{28}^{6} q^{2} + ( - \zeta_{28}^{3} + \zeta_{28}) q^{3} + \zeta_{28}^{12} q^{4} + ( - \zeta_{28}^{9} + \zeta_{28}^{7}) q^{6} + ( - \zeta_{28}^{7} + \zeta_{28}^{4}) q^{7} - \zeta_{28}^{4} q^{8} + \cdots + ( - \zeta_{28}^{6} + \zeta_{28}^{3} - 1) q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 2 q^{2} - 2 q^{4} - 2 q^{7} + 2 q^{8} + 6 q^{9} + 2 q^{14} - 2 q^{16} - 6 q^{18} + 4 q^{21} + 2 q^{23} - 2 q^{28} + 2 q^{32} - 8 q^{36} + 2 q^{41} + 10 q^{42} - 2 q^{46} - 14 q^{49} + 2 q^{56} + 2 q^{61}+ \cdots - 14 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2900\mathbb{Z}\right)^\times\).

\(n\) \(901\) \(1277\) \(1451\)
\(\chi(n)\) \(-\zeta_{28}^{5}\) \(\zeta_{28}^{7}\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
43.1
−0.781831 + 0.623490i
−0.433884 0.900969i
0.433884 0.900969i
−0.781831 0.623490i
0.781831 + 0.623490i
−0.433884 + 0.900969i
0.433884 + 0.900969i
0.781831 0.623490i
0.974928 0.222521i
−0.974928 0.222521i
0.974928 + 0.222521i
−0.974928 + 0.222521i
−0.623490 + 0.781831i −1.21572 0.277479i −0.222521 0.974928i 0 0.974928 0.777479i −0.900969 + 0.566116i 0.900969 + 0.433884i 0.500000 + 0.240787i 0
243.1 0.900969 + 0.433884i −1.40881 1.12349i 0.623490 + 0.781831i 0 −0.781831 1.62349i −0.222521 + 0.0250721i 0.222521 + 0.974928i 0.500000 + 2.19064i 0
543.1 0.900969 0.433884i 1.40881 1.12349i 0.623490 0.781831i 0 0.781831 1.62349i −0.222521 + 1.97493i 0.222521 0.974928i 0.500000 2.19064i 0
607.1 −0.623490 0.781831i −1.21572 + 0.277479i −0.222521 + 0.974928i 0 0.974928 + 0.777479i −0.900969 0.566116i 0.900969 0.433884i 0.500000 0.240787i 0
843.1 −0.623490 0.781831i 1.21572 0.277479i −0.222521 + 0.974928i 0 −0.974928 0.777479i −0.900969 + 1.43388i 0.900969 0.433884i 0.500000 0.240787i 0
907.1 0.900969 0.433884i −1.40881 + 1.12349i 0.623490 0.781831i 0 −0.781831 + 1.62349i −0.222521 0.0250721i 0.222521 0.974928i 0.500000 2.19064i 0
1207.1 0.900969 + 0.433884i 1.40881 + 1.12349i 0.623490 + 0.781831i 0 0.781831 + 1.62349i −0.222521 1.97493i 0.222521 + 0.974928i 0.500000 + 2.19064i 0
1407.1 −0.623490 + 0.781831i 1.21572 + 0.277479i −0.222521 0.974928i 0 −0.974928 + 0.777479i −0.900969 1.43388i 0.900969 + 0.433884i 0.500000 + 0.240787i 0
1643.1 0.222521 0.974928i 0.193096 + 0.400969i −0.900969 0.433884i 0 0.433884 0.0990311i 0.623490 + 0.218169i −0.623490 + 0.781831i 0.500000 0.626980i 0
1743.1 0.222521 + 0.974928i −0.193096 + 0.400969i −0.900969 + 0.433884i 0 −0.433884 0.0990311i 0.623490 + 1.78183i −0.623490 0.781831i 0.500000 + 0.626980i 0
2607.1 0.222521 + 0.974928i 0.193096 0.400969i −0.900969 + 0.433884i 0 0.433884 + 0.0990311i 0.623490 0.218169i −0.623490 0.781831i 0.500000 + 0.626980i 0
2707.1 0.222521 0.974928i −0.193096 0.400969i −0.900969 0.433884i 0 −0.433884 + 0.0990311i 0.623490 1.78183i −0.623490 + 0.781831i 0.500000 0.626980i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 43.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
20.d odd 2 1 CM by \(\Q(\sqrt{-5}) \)
145.o even 28 1 inner
580.bm odd 28 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2900.1.cg.c yes 12
4.b odd 2 1 2900.1.cg.a yes 12
5.b even 2 1 2900.1.cg.a yes 12
5.c odd 4 1 2900.1.bx.a 12
5.c odd 4 1 2900.1.bx.b yes 12
20.d odd 2 1 CM 2900.1.cg.c yes 12
20.e even 4 1 2900.1.bx.a 12
20.e even 4 1 2900.1.bx.b yes 12
29.f odd 28 1 2900.1.bx.b yes 12
116.l even 28 1 2900.1.bx.a 12
145.o even 28 1 inner 2900.1.cg.c yes 12
145.s odd 28 1 2900.1.bx.a 12
145.t even 28 1 2900.1.cg.a yes 12
580.bd odd 28 1 2900.1.cg.a yes 12
580.be even 28 1 2900.1.bx.b yes 12
580.bm odd 28 1 inner 2900.1.cg.c yes 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2900.1.bx.a 12 5.c odd 4 1
2900.1.bx.a 12 20.e even 4 1
2900.1.bx.a 12 116.l even 28 1
2900.1.bx.a 12 145.s odd 28 1
2900.1.bx.b yes 12 5.c odd 4 1
2900.1.bx.b yes 12 20.e even 4 1
2900.1.bx.b yes 12 29.f odd 28 1
2900.1.bx.b yes 12 580.be even 28 1
2900.1.cg.a yes 12 4.b odd 2 1
2900.1.cg.a yes 12 5.b even 2 1
2900.1.cg.a yes 12 145.t even 28 1
2900.1.cg.a yes 12 580.bd odd 28 1
2900.1.cg.c yes 12 1.a even 1 1 trivial
2900.1.cg.c yes 12 20.d odd 2 1 CM
2900.1.cg.c yes 12 145.o even 28 1 inner
2900.1.cg.c yes 12 580.bm odd 28 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(2900, [\chi])\):

\( T_{3}^{12} - 4T_{3}^{10} + 16T_{3}^{8} - 29T_{3}^{6} + 18T_{3}^{4} + 5T_{3}^{2} + 1 \) Copy content Toggle raw display
\( T_{7}^{12} + 2 T_{7}^{11} + 9 T_{7}^{10} + 14 T_{7}^{9} + 31 T_{7}^{8} + 34 T_{7}^{7} + 41 T_{7}^{6} + \cdots + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{6} - T^{5} + T^{4} + \cdots + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{12} - 4 T^{10} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{12} \) Copy content Toggle raw display
$7$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{12} \) Copy content Toggle raw display
$13$ \( T^{12} \) Copy content Toggle raw display
$17$ \( T^{12} \) Copy content Toggle raw display
$19$ \( T^{12} \) Copy content Toggle raw display
$23$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$29$ \( T^{12} - T^{10} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{12} \) Copy content Toggle raw display
$37$ \( T^{12} \) Copy content Toggle raw display
$41$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( (T^{6} - 7 T^{3} + 7 T + 7)^{2} \) Copy content Toggle raw display
$47$ \( (T^{6} - 7 T^{3} + 7 T + 7)^{2} \) Copy content Toggle raw display
$53$ \( T^{12} \) Copy content Toggle raw display
$59$ \( T^{12} \) Copy content Toggle raw display
$61$ \( T^{12} - 2 T^{11} + \cdots + 64 \) Copy content Toggle raw display
$67$ \( T^{12} - 2 T^{11} + \cdots + 64 \) Copy content Toggle raw display
$71$ \( T^{12} \) Copy content Toggle raw display
$73$ \( T^{12} \) Copy content Toggle raw display
$79$ \( T^{12} \) Copy content Toggle raw display
$83$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$89$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{12} \) Copy content Toggle raw display
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