Finite Group Databasebeta

C5×#85417 #14511155

order1920
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#85417

Subgroups

subgroupG/H
center, socleC22×C5C22×S4
commutator, cosocleC2×SL(2,𝔽3)C23×C5
FrattiniC22C22×C5×S4
FittingC5×#557D3
prime radicalC2×C5×SL(2,𝔽3)C23
hypercenterC5×C4⋊C4S4
hypocenterSL(2,𝔽3)C5×#41
LCSG ▷ C2×SL(2,𝔽3) ▷ SL(2,𝔽3)
UCSC1 ◁ C22×C5 ◁ C5×C4⋊C4

368 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 368 conjugacy classes of subgroups — too many to draw. Only its 68 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) = 45
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 45 points:

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236853);