Finite Group Databasebeta

C5×#85542 #14511280

order1920
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#85542

Subgroups

subgroupG/H
center, socleC2×C5C2×GL(2,ℤ/4)
commutator, cosocle#41⋊C3C23×C5
FrattiniC4C22×C5×S4
FittingC5×#585D3
prime radicalC5×#5945C2
hypercenterC5×#41S4
hypocenterSL(2,𝔽3)C2×C5×D4
LCSG ▷ #41⋊C3 ▷ SL(2,𝔽3)
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C5×#41

572 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 572 conjugacy classes of subgroups — too many to draw. Only its 72 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 69
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 69 points:

(1,2,3,4,5)(6,28,30)(7,39,42,14,29,63)(8,21,51,19,44,49)(9,24,55,23,52,54)(10,27,12)(13,60,59,32,50,69)(15,16,62,18,37,41)(17,38)(20,64,67)(22,45)(25,53)(26,40)(33,68,35,56,58,36)(34,57)(43,46,66)(48,61);(6,8)(7,13)(9,20)(10,21)(11,22)(12,19)(14,36)(15,32)(16,33)(17,34)(18,35)(23,43)(24,46)(25,47)(26,48)(27,49)(28,44)(29,50)(30,51)(31,45)(37,60)(38,61)(39,56)(40,57)(41,58)(42,59)(52,64)(53,65)(54,66)(55,67)(62,69)(63,68);(6,7,12,18)(8,13,19,35)(9,14,23,15)(10,26,28,17)(11,29,31,16)(20,36,43,32)(21,48,44,34)(22,50,45,33)(24,40,52,38)(25,39,53,37)(27,42,30,41)(46,57,64,61)(47,56,65,60)(49,59,51,58)(54,63,55,62)(66,68,67,69)

Conjugacy classes & character table

155 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236978);