Finite Group Databasebeta

C5×#85416 #14511154

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

Aliases

direct productC5×#85416

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)C2×C5×Q8
LCSG ▷ C2×SL(2,𝔽3) ▷ SL(2,𝔽3)
UCSC1 ◁ C22×C5 ◁ C5×C4⋊C4

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

normal subgroups only

This group has 360 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)(6,9,10,13)(7,11,8,12)(14,29,31)(15,22,37,21,30,36)(16,40,42)(17,28,19)(20,34,45,33,41,44)(23,27)(24,39,26)(35,38);(6,8,10,7)(9,11,13,12)(14,16,19,26)(15,20,21,33)(17,24,29,40)(18,25,32,43)(22,34,30,41)(23,35,27,38)(28,39,31,42)(36,44,37,45);(6,7,10,8)(9,12,13,11)(14,15)(16,20)(17,27)(18,30)(19,21)(22,32)(23,29)(24,38)(25,41)(26,33)(28,37)(31,36)(34,43)(35,40)(39,45)(42,44)

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, 236852);