Finite Group Databasebeta
Cayley diagram

#90465

order448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC7×AGL(1,ℤ/8) ⋊ C2
SylowC7 ⋊ #576

Subgroups

subgroupG/H
centerC2C2×D4×D7
commutator, cosocleC4×C7C24
FrattiniC4C23×D7
FittingC7×AGL(1,ℤ/8)C2
socleC2×C7C22×D4
hypercenterAGL(1,ℤ/8)D7
hypocenterC7#576
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C2×C4 ◁ AGL(1,ℤ/8)

268 conjugacy classes of subgroups; only the 99 normal subgroups are shown.

normal subgroups only

This group has 268 conjugacy classes of subgroups — too many to draw. Only its 99 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) = 23
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 4 generators on 23 points:

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

Polycyclic presentation:

2^6,7|e^2=f,b^a=bf,g^a=g^6,d^b=df,d^c=de,e^c=ef,e^d=ef

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11737725, #11737727, #11737732, …
maximal normal subgroup of#11737725, #11737727, #11737732, …
maximal quotient of#11736313, #11736317, #11736319, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1227);