Properties

Label 468.2.bp
Level $468$
Weight $2$
Character orbit 468.bp
Rep. character $\chi_{468}(179,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $56$
Newform subspaces $4$
Sturm bound $168$
Trace bound $4$

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Defining parameters

Level: \( N \) \(=\) \( 468 = 2^{2} \cdot 3^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 468.bp (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 156 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 4 \)
Sturm bound: \(168\)
Trace bound: \(4\)
Distinguishing \(T_p\): \(5\), \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(468, [\chi])\).

Total New Old
Modular forms 184 56 128
Cusp forms 152 56 96
Eisenstein series 32 0 32

Trace form

\( 56 q + O(q^{10}) \) \( 56 q + 8 q^{10} - 8 q^{13} - 8 q^{16} - 4 q^{22} + 56 q^{25} - 36 q^{28} + 12 q^{37} + 24 q^{40} - 60 q^{46} - 4 q^{49} - 24 q^{52} - 120 q^{58} - 4 q^{61} - 12 q^{76} - 68 q^{82} - 20 q^{88} - 4 q^{94} + 72 q^{97} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(468, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
468.2.bp.a 468.bp 156.r $4$ $3.737$ \(\Q(\sqrt{-2}, \sqrt{-3})\) None \(0\) \(0\) \(0\) \(6\) $\mathrm{SU}(2)[C_{6}]$ \(q+\beta _{3}q^{2}-2q^{4}+(-2\beta _{1}+\beta _{3})q^{5}+\cdots\)
468.2.bp.b 468.bp 156.r $4$ $3.737$ \(\Q(\sqrt{-2}, \sqrt{-3})\) None \(0\) \(0\) \(0\) \(-6\) $\mathrm{SU}(2)[C_{6}]$ \(q+\beta _{1}q^{2}+2\beta _{2}q^{4}+(-2\beta _{1}+\beta _{3})q^{5}+\cdots\)
468.2.bp.c 468.bp 156.r $8$ $3.737$ \(\Q(\zeta_{24})\) \(\Q(\sqrt{-1}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q-\zeta_{24}^{7}q^{2}-2\zeta_{24}^{2}q^{4}+(-\zeta_{24}^{4}+\cdots)q^{5}+\cdots\)
468.2.bp.d 468.bp 156.r $40$ $3.737$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$

Decomposition of \(S_{2}^{\mathrm{old}}(468, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(468, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(156, [\chi])\)\(^{\oplus 2}\)