Finite Group Databasebeta
Cayley diagram

#64869

order320
isoclinismisoclinic class of #64868
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×C4⋊C4 ⋊ C4
SylowC5 ⋊ #328

Subgroups

subgroupG/H
centerC22C22⋊AGL(1,𝔽5)
commutatorC2×C4×C5C2×C4
FrattiniC2×C4C2×AGL(1,𝔽5)
FittingC5×C4⋊C4C4
socleC22×C5C22⋊C4
prime radicalC22×D5D4
cosocleC2×C4×D5C22
hypercenterC4⋊C4AGL(1,𝔽5)
hypocenterC5#328
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C4⋊C4

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 2 generators on 21 points:

(1,2,3,5,4)(6,8,9,13)(7,10,11,12)(14,15,17,19)(16,21,20,18);(2,3,4,5)(6,7)(8,12,13,10)(9,11)(15,18)(16,20)(19,21)

Polycyclic presentation:

2^6,5|a^2=c,b^2=e,d^2=ef,b^a=bd,d^a=de,g^a=g^2,c^b=cf,d^b=def,g^c=g^4

Conjugacy classes & character table

29 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#64869, #10604259, #10604261, …
maximal normal subgroup ofC2×#64869, #10604259, #10604261, …
maximal quotient of#10598497, #10598498, #10598501, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 207);