Finite Group Databasebeta

C5×#7419 #11930139

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

Aliases

direct productC5×#7419

Subgroups

subgroupG/H
center, socleC22×C5#357
commutatorC2×C16C2×C4×C5
Frattini, cosocleC22×C16C22×C5
prime radicalC23×C5D16
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G

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

normal subgroups only

This group has 152 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) = 320

A minimal faithful permutation representation — 2 generators on 45 points:

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

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, 407);