Finite Group Databasebeta

(C7⋊AGL(1,𝔽5))⋊Q8 #11765310

order1120
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(C7⋊AGL(1,𝔽5))⋊Q8

Splittings

HallC5×C7 ⋊ C4×Q8
SylowC7 ⋊ Q8×AGL(1,𝔽5)
SylowC5 ⋊ #6450

Subgroups

subgroupG/H
center, FrattiniC2C2×D7×AGL(1,𝔽5)
commutator, socleC2×C5×C7C22×C4
FittingC4×C5×C7C2×C4
prime radical, cosocleC2×C7×D5C23
hypercenterC4D7×AGL(1,𝔽5)
hypocenterC5×C7C4×Q8
LCSG ▷ C2×C5×C7 ▷ C5×C7
UCSC1 ◁ C2 ◁ C4

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

transitive degreeμt(G) = 280

Polycyclic presentation:

2^5,5,7|a^2=e,b^2=d,c^2=e,c^a=ce,g^a=g^6,c^b=ce,f^b=f^2,f^d=f^4

Conjugacy classes & character table

67 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72217834, #72218120, #72218183, …
maximal normal subgroup of#72217834, #72218120, #72218183, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 916);