Finite Group Databasebeta

C5×#2822 #10616417

order640
nilpotency class2
isoclinismisoclinic class of #2812
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#2822

Subgroups

subgroupG/H
center, socle, prime radicalC23×C5C24
commutator, Frattini, cosocleC23C24×C5
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C5 ◁ G

380 conjugacy classes of subgroups; only the 184 normal subgroups are shown.

normal subgroups only

This group has 380 conjugacy classes of subgroups — too many to draw. Only its 184 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) = 33
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 33 points:

(1,2,3,4,5)(11,12)(15,16)(18,19,23,25)(20,26,28,21)(22,24,32,33)(27,31,30,29);(7,9)(10,11,14,12)(13,15,17,16)(18,20,23,28)(19,21,25,26)(22,30,32,27)(24,31,33,29);(6,7)(8,9)(10,12,14,11)(13,15,17,16)(18,21)(19,20)(22,31)(23,26)(24,30)(25,28)(27,33)(29,32);(10,13,14,17)(11,15,12,16)(18,22,23,32)(19,24,25,33)(20,27,28,30)(21,29,26,31)

Conjugacy classes & character table

130 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#12000591, #12000618, #12000636, …
maximal subgroup ofC5×#10080, C5×#10084, C5×#10087, …
maximal normal subgroup ofC5×#10080, C5×#10084, C5×#10087, …
maximal quotient ofC5×#14629, C5×#14631, C5×#14634, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(640, 18499);