Finite Group Databasebeta

ΓL(1,𝔽8)⋊(ΓL(1,𝔽8)⋊D41) #49116332

order36162
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productΓL(1,𝔽8)⋊(ΓL(1,𝔽8)⋊D41)
unambiguous semidirect productC41⋊(ΓL(1,𝔽8)⋊AGL(1,𝔽7))
unambiguous semidirect product(C41⋊#64424)⋊C3
unambiguous semidirect product(C41⋊#64425)⋊C3
unambiguous semidirect product(ΓL(1,𝔽8)⋊D287)⋊C3

Splittings

Fitting, socle, derived, HallC72×C41 ⋊ C2×C32
HallΓL(1,𝔽8)2×C41 ⋊ C2
HallC7⋊D287 ⋊ C32
HallΓL(1,𝔽8)2 ⋊ D41
SylowC72 ⋊ C32×D41
SylowC41 ⋊ ΓL(1,𝔽8)⋊AGL(1,𝔽7)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C41C2×C32
LCSG ▷ C72×C41
UCSC1

112 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 55
transitive degreeμt(G) = 861

A minimal faithful permutation representation — 2 generators on 55 points:

(2,5,6,3,4,7)(8,9)(10,11)(12,14)(16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55);(1,2,4,7,6,5,3)(9,11,13)(10,12,14)(15,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17)

Polycyclic presentation:

2,3^2,7^2,41|d^a=d^6,e^a=e^6,f^a=f^40,e^b=e^2,d^c=d^2

Conjugacy classes & character table

526 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(36162, 74);