Finite Group Databasebeta

#20290958

order6784
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC53 ⋊ #2117

Subgroups

subgroupG/H
centerC4C2×C22⋊#6157
commutatorC4×C53C22×C8
FrattiniC2×C4C22×#6157
Fitting#131×C53C4
socleC2×C53C2×C22⋊C8
hypercenter#131#6157
hypocenterC53#2117
LCSG ▷ C4×C53 ▷ C2×C53 ▷ C53
UCSC1 ◁ C4 ◁ C2×C8 ◁ #131

220 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 72 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^7,53|a^2=e,d^2=g,e^2=f,f^2=g,b^a=bd,c^a=cg,h^a=h^30,d^b=dg,e^b=eg,h^c=h^52,h^e=h^52

Conjugacy classes & character table

304 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#28310517, #28310518, #28310568, …
maximal normal subgroup of#28310517, #28310518, #28310568, …
maximal quotient of#28307884, #28307887, #28307954, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6784, 20753);