Finite Group Databasebeta
Cayley diagram

C2×C4×C7 #289

order56
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C2×C3×D4 (order 48) · Inn(G) = C1 · Out(G) = C2×C3×D4
holomorphG ⋊ Aut(G) = AGL(1,𝔽7)×B(4,𝔽2)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C2

Aliases

abelianC2×C4×C7
multiplicative(ℤ/87)ˣ, (ℤ/116)ˣ, (ℤ/174)ˣ

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC2C22×C7
socle, prime radicalC22×C7C2
LCSG ▷ C1
UCSC1 ◁ G

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 2 generators on 13 points:

(1,2,3,4)(7,8,9,10,11,12,13);(5,6)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

center ofC7×#97, C7×C22⋊C8, C7×C4⋊C8, …
derived subgroup of#89246, #89247, #89259, …
Frattini subgroup ofC4×C49⋊C8, #13095843, C4⋊(C49⋊C8), …
Fitting subgroup ofC2×C7⋊C8, #1136, C4×Dic7, …
maximal subgroup ofC2×C7⋊C8, #1136, C4×Dic7, …
maximal normal subgroup ofC2×C7⋊C8, #1136, C4×Dic7, …
maximal quotient ofC42×C7, C7×C22⋊C4, C7×C4⋊C4, …
automorphism group ofC3×C29, C4×C29, C2×C3×C29
outer automorphism group ofC3×C29, C4×C29, C2×C3×C29, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(56, 8);