Finite Group Databasebeta

C7⋊((C19⋊D19)⋊C5) #38760140

order25270
automorphism?
homologyAbelianization (H1) = C2×C5 · Schur multiplier (H2) = C19

Aliases

unambiguous semidirect productC7⋊((C19⋊D19)⋊C5)
unambiguous semidirect product(C7⋊(C19⋊D19))⋊C5

Splittings

Fitting, socle, derived, HallC7×C192 ⋊ C2×C5
HallC7×C192⋊C5 ⋊ C2
HallC7⋊(C19⋊D19) ⋊ C5
HallC192⋊C5 ⋊ D7
SylowC192 ⋊ C5×D7
SylowC7 ⋊ (C19⋊D19)⋊C5

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C192C2×C5
LCSG ▷ C7×C192
UCSC1

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 102
transitive degreeμt(G) = 665

A minimal faithful permutation representation — 2 generators on 102 points:

(1,2,4,9,21)(3,16,17,53,71,7,6,41,43,50)(5,30,32,82,88,12,13,60,61,95)(8,45,46,87,81,19,18,70,73,78)(10,55,56,90,66,24,25,83,75,36)(11,23,58,74,37,28,29,54,48,68)(14,33,64,84,20,34,35,63,85,47)(15,65,69,76,77,38,39,62,49,92)(22,79,80,42,27,51,52,94,31,26)(40,44,59,89,93,67,57,72,86,91)(97,98)(99,100)(101,102);(1,3,8,20,48,75,91,92,95,80,94,88,77,93,90,74,47,19,7)(2,5,14,36,67,45,31,6,15,37,68,38,16,42,18,40,66,34,12)(4,10,26,28,17,44,13,33,46,65,39,70,35,30,57,41,11,27,24)(9,22,53,60,87,62,63,72,23,25,55,29,59,64,69,73,32,43,51)(21,49,56,78,79,85,54,82,71,86,89,50,61,58,84,52,81,83,76)(96,97,99,101,102,100,98)

Polycyclic presentation:

2,5,7,19^2|c^a=c^6,d^a=d^18,e^a=e^18,d^b=d^12e^2,e^b=d^18e^11

Conjugacy classes & character table

277 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25270, 14);