Finite Group Databasebeta
Cayley diagram

#89790

order448
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC7 ⋊ #440

Subgroups

subgroupG/H
centerC22C2×C22⋊D7
commutatorC4×C7C22×C4
FrattiniC2×C4C22×D7
FittingC4×C7×D4C2
socleC22×C7C2×D4
prime radicalC2×C7×D4C22
cosocleC2×C4×C7C23
hypercenterC4×D4D7
hypocenterC7#440
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C42 ◁ C4×D4

120 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 19
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 19 points:

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

Polycyclic presentation:

2^6,7|a^2=f,c^2=d,e^2=f,b^a=be,e^a=ef,g^a=g^6,c^b=cf,e^b=ef

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11737032, #11737034, #11737039, …
maximal normal subgroup of#11737032, #11737034, #11737039, …
maximal quotient of#11727213, #11727219, #11727229, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 552);