Finite Group Databasebeta
Cayley diagram

#65479

order320
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

FittingC2×C5×Q16 ⋊ C2
SylowC5 ⋊ #497

Subgroups

subgroupG/H
centerC22D4×D5
commutator, cosocleC2×C4×C5C23
FrattiniC2×C4C22×D5
FittingC2×C5×Q16C2
socleC22×C5C2×D4
prime radicalC2×D20C22
hypercenterC2×Q16D5
hypocenterC5#497
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×Q16

124 conjugacy classes of subgroups; only the 43 normal subgroups are shown.

normal subgroups only

This group has 124 conjugacy classes of subgroups — too many to draw. Only its 43 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) = 25
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 3 generators on 25 points:

(1,2,4,5,3)(7,9)(10,12,14,20)(11,16,17,25)(13,22,21,19)(15,23,24,18);(10,11,13,15,14,17,21,24)(12,18,19,25,20,23,22,16);(2,3)(4,5)(6,7)(8,9)(11,15)(13,21)(16,23)(17,24)(18,25)(19,22)

Polycyclic presentation:

2^6,5|b^2=e,c^2=f,e^2=f,b^a=be,c^a=cd,e^a=ef,g^a=g^4,c^b=ce,e^c=ef

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10611444, #10611445, #10611457, …
maximal normal subgroup of#10611444, #10611445, #10611457, …
maximal quotient of#10601020, #10601021, #10601043, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 817);