Properties

Label 2304.1.g
Level $2304$
Weight $1$
Character orbit 2304.g
Rep. character $\chi_{2304}(1279,\cdot)$
Character field $\Q$
Dimension $5$
Newform subspaces $4$
Sturm bound $384$
Trace bound $5$

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Defining parameters

Level: \( N \) \(=\) \( 2304 = 2^{8} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2304.g (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 4 \)
Character field: \(\Q\)
Newform subspaces: \( 4 \)
Sturm bound: \(384\)
Trace bound: \(5\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(2304, [\chi])\).

Total New Old
Modular forms 64 7 57
Cusp forms 16 5 11
Eisenstein series 48 2 46

The following table gives the dimensions of subspaces with specified projective image type.

\(D_n\) \(A_4\) \(S_4\) \(A_5\)
Dimension 5 0 0 0

Trace form

\( 5 q + O(q^{10}) \) \( 5 q + 2 q^{17} + 3 q^{25} + 2 q^{41} - 3 q^{49} + 2 q^{73} - 2 q^{89} + 6 q^{97} + O(q^{100}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(2304, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field Image CM RM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2304.1.g.a 2304.g 4.b $1$ $1.150$ \(\Q\) $D_{2}$ \(\Q(\sqrt{-1}) \), \(\Q(\sqrt{-6}) \) \(\Q(\sqrt{6}) \) \(0\) \(0\) \(-2\) \(0\) \(q-2q^{5}+3q^{25}+2q^{29}+q^{49}+2q^{53}+\cdots\)
2304.1.g.b 2304.g 4.b $1$ $1.150$ \(\Q\) $D_{2}$ \(\Q(\sqrt{-1}) \), \(\Q(\sqrt{-2}) \) \(\Q(\sqrt{2}) \) \(0\) \(0\) \(0\) \(0\) \(q+2q^{17}-q^{25}+2q^{41}+q^{49}+2q^{73}+\cdots\)
2304.1.g.c 2304.g 4.b $1$ $1.150$ \(\Q\) $D_{2}$ \(\Q(\sqrt{-1}) \), \(\Q(\sqrt{-6}) \) \(\Q(\sqrt{6}) \) \(0\) \(0\) \(2\) \(0\) \(q+2q^{5}+3q^{25}-2q^{29}+q^{49}-2q^{53}+\cdots\)
2304.1.g.d 2304.g 4.b $2$ $1.150$ \(\Q(\sqrt{-1}) \) $D_{2}$ \(\Q(\sqrt{-3}) \), \(\Q(\sqrt{-6}) \) \(\Q(\sqrt{2}) \) \(0\) \(0\) \(0\) \(0\) \(q-iq^{7}-q^{25}-iq^{31}-3q^{49}+q^{73}+\cdots\)

Decomposition of \(S_{1}^{\mathrm{old}}(2304, [\chi])\) into lower level spaces

\( S_{1}^{\mathrm{old}}(2304, [\chi]) \cong \) \(S_{1}^{\mathrm{new}}(144, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(256, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(288, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(576, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(768, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(1152, [\chi])\)\(^{\oplus 2}\)