Properties

Label 2205.2.g
Level $2205$
Weight $2$
Character orbit 2205.g
Rep. character $\chi_{2205}(2204,\cdot)$
Character field $\Q$
Dimension $80$
Newform subspaces $3$
Sturm bound $672$
Trace bound $1$

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Defining parameters

Level: \( N \) \(=\) \( 2205 = 3^{2} \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2205.g (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 105 \)
Character field: \(\Q\)
Newform subspaces: \( 3 \)
Sturm bound: \(672\)
Trace bound: \(1\)
Distinguishing \(T_p\): \(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2205, [\chi])\).

Total New Old
Modular forms 368 80 288
Cusp forms 304 80 224
Eisenstein series 64 0 64

Trace form

\( 80 q + 80 q^{4} + O(q^{10}) \) \( 80 q + 80 q^{4} + 80 q^{16} - 8 q^{25} + 112 q^{46} + 224 q^{64} + 64 q^{79} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2205, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2205.2.g.a 2205.g 105.g $8$ $17.607$ 8.0.\(\cdots\).5 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-2q^{4}-\beta _{4}q^{5}+2\beta _{5}q^{11}-\beta _{1}q^{13}+\cdots\)
2205.2.g.b 2205.g 105.g $24$ $17.607$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$
2205.2.g.c 2205.g 105.g $48$ $17.607$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$

Decomposition of \(S_{2}^{\mathrm{old}}(2205, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2205, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(105, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(315, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(735, [\chi])\)\(^{\oplus 2}\)