Finite Group Databasebeta

#20289755

order6784
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC2×C16×C53 ⋊ C4
SylowC53 ⋊ #1375

Subgroups

subgroupG/H
centerC2×C4C4×#6157
commutatorC4×C53C4×C8
FrattiniC2×C8C2×#6157
FittingC2×C16×C53C4
socleC22×C53#97
hypercenterC2×C16#6157
hypocenterC53#1375
LCSG ▷ C4×C53 ▷ C53
UCSC1 ◁ C2×C4 ◁ C2×C16

140 conjugacy classes of subgroups; only the 56 normal subgroups are shown.

normal subgroups only

This group has 140 conjugacy classes of subgroups — too many to draw. Only its 56 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=g,d^2=f,f^2=g,b^a=bc,e^a=eg,d^b=dg,h^b=h^30,h^e=h^52

Conjugacy classes & character table

460 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#20289755, #28310226, #28310230, …
maximal normal subgroup ofC2×#20289755, #28310226, #28310230, …
maximal quotient of#28298257, #28298269, #28298279, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6784, 19550);