Finite Group Databasebeta
Cayley diagram

#64908

order320
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×Q16 ⋊ C4
SylowC5 ⋊ #358

Subgroups

subgroupG/H
centerC2#4007
commutatorC5×C8C2×C4
FrattiniC8C2×AGL(1,𝔽5)
FittingC5×Q16C4
socleC2×C5#102
prime radicalC2×D5D8
cosocleC8×D5C22
hypercenterQ16AGL(1,𝔽5)
hypocenterC5#358
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ Q16

58 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)(6,7,10,13)(8,15,17,21)(9,18,16,12)(11,19,20,14);(2,3,4,5)(7,11)(8,14)(9,16)(12,21)(13,20)(15,18)(17,19)

Polycyclic presentation:

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

Conjugacy classes & character table

29 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×SD32, #10604127, AGL(1,𝔽5)×Q32, …
maximal normal subgroup ofAGL(1,𝔽5)×SD32, #10604127, AGL(1,𝔽5)×Q32, …
maximal quotient of#10598610, #10598612, #10598618, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 246);