Finite Group Databasebeta

#20289786

order6784
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

Fitting#107×C53 ⋊ C4
SylowC53 ⋊ #1386

Subgroups

subgroupG/H
centerC22#13133279
commutatorC8×C53C42
FrattiniC2×C8C2×#6157
Fitting#107×C53C4
socleC22×C53#102
hypercenter#107#6157
hypocenterC53#1386
LCSG ▷ C8×C53 ▷ C4×C53 ▷ C2×C53 ▷ C53
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ #107

140 conjugacy classes of subgroups; only the 52 normal subgroups are shown.

normal subgroups only

This group has 140 conjugacy classes of subgroups — too many to draw. Only its 52 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=d,b^2=e,c^2=fg,e^2=f,f^2=g,b^a=bc,c^a=cf,e^a=ef,f^a=fg,c^b=cg,h^b=h^30,h^e=h^52

Conjugacy classes & character table

214 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#20289786, #28310305, #28310308, …
maximal normal subgroup ofC2×#20289786, #28310305, #28310308, …
maximal quotient of#28298317, #28298377, #28298388, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6784, 19581);