Finite Group Databasebeta

#34038658⋊C2 #49180662

order37820
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#34038658⋊C2
unambiguous semidirect product#34038664⋊C2
unambiguous semidirect product#34038670⋊C2

Splittings

Fitting, socle, derived, HallC31×C61 ⋊ C22×C5
Hall#22628160 ⋊ C22
HallD31×D61 ⋊ C5
SylowC61 ⋊ C2×D31⋊C5
SylowC31 ⋊ C2×D61⋊C5

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC31×C61C22×C5
LCSG ▷ C31×C61
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 92
transitive degreeμt(G) = 1891

A minimal faithful permutation representation — 2 generators on 92 points:

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

Polycyclic presentation:

2^2,5,31,61|e^a=e^60,d^b=d^30,d^c=d^16,e^c=e^20

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(37820, 42);