Finite Group Databasebeta

C2×#108×C257 #30656298

order16448
nilpotency class3
isoclinismisoclinic class of D8
automorphism?
homologyAbelianization (H1) = C22×C4×C257 · Schur multiplier (H2) = C22

Aliases

direct productC2×#108×C257

Subgroups

subgroupG/H
centerC2×C4×C257D4
commutatorC4C22×C4×C257
Frattini, cosocleC2×C4C23×C257
socleC22×C257C4⋊C4
prime radicalC23×C257Q8
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C257 ◁ C22×C4×C257 ◁ G

106 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 275
transitive degreeμt(G) = 8224

A minimal faithful permutation representation — 3 generators on 275 points:

(1,2)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275);(3,4,7,10,8,11,6,16)(5,12,14,17,15,18,13,9);(3,5,6,13,8,15,7,14)(4,9,10,12,11,17,16,18)

Conjugacy classes & character table

7196 conjugacy classes. The character table is too large to display.

Relationships

Fitting subgroup of#45662413, #45662417, #45662420, …
maximal subgroup of#1381×C257, #1382×C257, #1383×C257, …
maximal normal subgroup of#1381×C257, #1382×C257, #1383×C257, …
maximal quotient ofC2×#334×C257, C2×#335×C257, #1564×C257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 110);