hyperelliptic(.ncag).info

the classification of hyperelliptic varieties in dimensions 2, 3 and 4

the group $\mathrm{C}_{4} \times \mathrm{C}_{2}$

GAP SmallGroup id
$[8, 2]$
order
$8$
structure
$\mathrm{C}_{4} \times \mathrm{C}_{2}$
presentation
$\langle g_{1}, g_{2}, g_{3} \mid g_{1}^{2},\; g_{2}^{-1}g_{1}^{-1}g_{2}g_{1},\; g_{3}^{-1}g_{1}^{-1}g_{3}g_{1},\; g_{2}^{2}g_{3}^{-1},\; g_{3}^{-1}g_{2}^{-1}g_{3}g_{2},\; g_{3}^{2} \rangle$

character table

Columns are the conjugacy classes: order is the order of a class representative, size the number of elements in the class. Rows $\chi_i$ are the irreducible characters.

order12424244
size11111111
$\chi_{ 1 }$$1$$1$$1$$1$$1$$1$$1$$1$
$\chi_{ 2 }$$1$$-1$$-1$$1$$1$$-1$$-1$$1$
$\chi_{ 3 }$$1$$-1$$-\zeta_{4}$$-1$$\zeta_{4}$$1$$\zeta_{4}$$-\zeta_{4}$
$\chi_{ 4 }$$1$$1$$\zeta_{4}$$-1$$\zeta_{4}$$-1$$-\zeta_{4}$$-\zeta_{4}$
$\chi_{ 5 }$$1$$1$$-1$$1$$-1$$1$$-1$$-1$
$\chi_{ 6 }$$1$$-1$$1$$1$$-1$$-1$$1$$-1$
$\chi_{ 7 }$$1$$-1$$\zeta_{4}$$-1$$-\zeta_{4}$$1$$-\zeta_{4}$$\zeta_{4}$
$\chi_{ 8 }$$1$$1$$-\zeta_{4}$$-1$$-\zeta_{4}$$-1$$\zeta_{4}$$\zeta_{4}$

hyperelliptic quotients