Properties

Label 2880.2.t
Level $2880$
Weight $2$
Character orbit 2880.t
Rep. character $\chi_{2880}(721,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $80$
Newform subspaces $5$
Sturm bound $1152$
Trace bound $1$

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Defining parameters

Level: \( N \) \(=\) \( 2880 = 2^{6} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2880.t (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 16 \)
Character field: \(\Q(i)\)
Newform subspaces: \( 5 \)
Sturm bound: \(1152\)
Trace bound: \(1\)
Distinguishing \(T_p\): \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2880, [\chi])\).

Total New Old
Modular forms 1216 80 1136
Cusp forms 1088 80 1008
Eisenstein series 128 0 128

Trace form

\( 80 q + O(q^{10}) \) \( 80 q + 8 q^{11} - 8 q^{19} - 16 q^{29} - 16 q^{37} - 8 q^{43} - 40 q^{47} - 80 q^{49} + 16 q^{53} - 40 q^{59} - 16 q^{61} - 8 q^{67} + 16 q^{77} + 16 q^{79} + 40 q^{83} + 16 q^{85} + 64 q^{91} + 32 q^{95} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2880, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2880.2.t.a 2880.t 16.e $4$ $22.997$ \(\Q(\zeta_{8})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{4}]$ \(q-\zeta_{8}q^{5}+(2\zeta_{8}+2\zeta_{8}^{2}+2\zeta_{8}^{3})q^{7}+\cdots\)
2880.2.t.b 2880.t 16.e $8$ $22.997$ 8.0.18939904.2 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{4}]$ \(q+\beta _{3}q^{5}+(\beta _{2}+\beta _{3})q^{7}+(1+\beta _{1}-\beta _{3}+\cdots)q^{11}+\cdots\)
2880.2.t.c 2880.t 16.e $16$ $22.997$ \(\mathbb{Q}[x]/(x^{16} - \cdots)\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{4}]$ \(q+\beta _{5}q^{5}+(-\beta _{1}+\beta _{4}+\beta _{7}-\beta _{8}-\beta _{10}+\cdots)q^{7}+\cdots\)
2880.2.t.d 2880.t 16.e $20$ $22.997$ \(\mathbb{Q}[x]/(x^{20} - \cdots)\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{4}]$ \(q+\beta _{5}q^{5}-\beta _{13}q^{7}+(-\beta _{5}+\beta _{8})q^{11}+\cdots\)
2880.2.t.e 2880.t 16.e $32$ $22.997$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{4}]$

Decomposition of \(S_{2}^{\mathrm{old}}(2880, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2880, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(16, [\chi])\)\(^{\oplus 18}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(48, [\chi])\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(64, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(80, [\chi])\)\(^{\oplus 9}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(144, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(192, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(240, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(320, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(576, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(720, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(960, [\chi])\)\(^{\oplus 2}\)