Finite Group Databasebeta

C5×#1616 #10603124

order640
nilpotency class3
isoclinismisoclinic class of #1595
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#1616

Subgroups

subgroupG/H
center, socleC22×C5#120
commutator, Frattini, cosocleC22×C4C23×C5
prime radicalC5×#537C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ G

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

normal subgroups only

This group has 246 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) = 29
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

115 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#12011536, #12011543, #12011550, …
maximal subgroup ofC5×#12127, C5×#12128, C5×#12129, …
maximal normal subgroup ofC5×#12127, C5×#12128, C5×#12129, …
maximal quotient ofC5×#7791, C5×#7795, C5×#7808, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(640, 5206);