Finite Group Databasebeta

C7⋊#1308 #11725565

order896
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC7⋊#1308

Splittings

SylowC7 ⋊ #1308

Subgroups

subgroupG/H
centerC22C7⋊#95
commutator, prime radicalC23×C7C42
FrattiniC2×C42C2×D7
FittingC7×#432C2
socleC22×C7#95
cosocleC2×C42×C7C22
hypercenter#432D7
hypocenterC7#1308
LCSG ▷ C23×C7 ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×C42 ◁ #432

122 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 122 conjugacy classes of subgroups — too many to draw. Only its 53 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 448

Polycyclic presentation:

2^7,7|a^2=d,b^2=e,d^2=fg,e^2=f,b^a=bc,c^a=cf,e^a=eg,h^a=h^6,c^b=cg,d^b=df

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#1308, C2×C7⋊#1308, #13244198, …
maximal normal subgroup ofD7×#1308, C2×C7⋊#1308, #13244198, …
maximal quotient of#13240368, #13240369, #13240370, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 331);