Finite Group Databasebeta

C5×#12221 #11934941

order1280
nilpotency class4
isoclinismisoclinic class of #12096
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12221

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutator, Frattini, cosocleC2×C4⋊C4C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C2×C5×C4⋊C4 ◁ G

392 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 392 conjugacy classes of subgroups — too many to draw. Only its 74 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) = 37
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 3 generators on 37 points:

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

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5209);