Finite Group Databasebeta

C19⋊C3×Dic77 #31798226

order17556
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

direct productC19⋊C3×Dic77
unambiguous semidirect productC11⋊(Dic7×C19⋊C3)

Splittings

derived, HallC7×C11×C19 ⋊ C3×C4
HallC19×Dic77 ⋊ C3
HallC7×C11×C19⋊C3 ⋊ C4
HallC11×C19⋊C3 ⋊ Dic7
HallC7×C19⋊C3 ⋊ Dic11
HallC11×C19 ⋊ C3×Dic7
HallC7×C19 ⋊ C3×Dic11
HallC7×C11 ⋊ C4×C19⋊C3
SylowC19 ⋊ C3×Dic77
SylowC11 ⋊ Dic7×C19⋊C3
SylowC7 ⋊ Dic11×C19⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C19⋊C3×D77
commutator, hypocenterC7×C11×C19C3×C4
Fitting, socle, cosocleC2×C7×C11×C19C2×C3
prime radicalC2×C7×C11×C19⋊C3C2
LCSG ▷ C7×C11×C19
UCSC1 ◁ C2

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5852

Conjugacy classes & character table

720 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17556, 41);