Finite Group Databasebeta

C11⋊#13097586 #31798228

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

Aliases

unambiguous semidirect productC11⋊#13097586

Splittings

derived, HallC7×C11×C19 ⋊ C3×C4
HallC19×Dic77 ⋊ C3
HallC11×#87704 ⋊ C4
Hall#87704 ⋊ Dic11
HallDic77 ⋊ C19⋊C3
HallC11×C19 ⋊ ΓL(1,𝔽8)⋊C4
HallC7×C19 ⋊ C3×Dic11
HallC7×C11 ⋊ C4×C19⋊C3
SylowC19 ⋊ C11⋊(ΓL(1,𝔽8)⋊C4)
SylowC11 ⋊ #13097586
SylowC7 ⋊ Dic11×C19⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C11⋊#11716325
commutator, hypocenterC7×C11×C19C3×C4
Fitting, socle, cosocleC2×C7×C11×C19C2×C3
prime radicalC2×C11×#87704C2
LCSG ▷ C7×C11×C19
UCSC1 ◁ C2

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5852

Polycyclic presentation:

2,3,7,11,19,2|a^2=f,c^a=c^6,d^a=d^10,c^b=c^2,e^b=e^7

Conjugacy classes & character table

544 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17556, 43);