Finite Group Databasebeta

C5×#7446 #11930166

order1280
nilpotency class5
isoclinismisoclinic class of #7418
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#7446

Subgroups

subgroupG/H
center, socleC22×C5#357
commutatorC2×C16C2×C4×C5
Frattini, cosocleC4×C16C22×C5
prime radicalC2×C5×D16C4
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G

136 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 136 conjugacy classes of subgroups — too many to draw. Only its 54 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 — 2 generators on 45 points:

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

Conjugacy classes & character table

245 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 434);